Q: Is 1,125,558 a Prime Number?
A: No, 1,125,558 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 1125558 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 8,933 17,866 26,799 53,598 62,531 80,397 125,062 160,794 187,593 375,186 562,779 and 1,125,558, with no remainder.
Since 1,125,558 cannot be divided by just 1 and 1,125,558, it is not a prime number.