I see people obsess over IQ numbers online but I genuinely do not know what a good score looks like in practical terms. Like is 110 good enough to do well in life or do you need to be at 120 or 130 to really see the benefits? And does the difference between say 115 and 125 actually matter in any measurable way or are people splitting hairs over meaningless distinctions?
Good is relative to what you are trying to do and that is not a cop out, it is genuinely how the research frames it 
The relationship between IQ and outcomes is not a threshold effect where you suddenly unlock a better life above a certain score. It is a gradient where higher scores are associated with better average outcomes across almost every domain studied, but with enormous individual variation at every level. That said some rough benchmarks are useful. Around 110 is associated with success in most professional and technical roles. Around 120 is associated with comfort in cognitively demanding graduate level work. Around 130 and above is where you start seeing strong representation in elite academic and intellectual fields. The differences between 115 and 125 are real but modest at the individual level, they show up more clearly in large population studies than in any single person’s life. What matters more at the individual level is whether your cognitive profile matches the demands of what you are actually trying to do, which is why a breakdown across multiple ability domains is more useful than chasing a single number 
The obsession with specific cutoffs misses the point honestly 
A good IQ is one that is high enough for what you are trying to accomplish. Beyond that threshold chasing is just ego math.