Q: Is 1,125,220 a Prime Number?
A: No, 1,125,220 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1125220 can be evenly divided by 1 2 4 5 10 20 127 254 443 508 635 886 1,270 1,772 2,215 2,540 4,430 8,860 56,261 112,522 225,044 281,305 562,610 and 1,125,220, with no remainder.
Since 1,125,220 cannot be divided by just 1 and 1,125,220, it is not a prime number.