Q: Is 1,125,128 a Prime Number?
A: No, 1,125,128 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 1125128 can be evenly divided by 1 2 4 8 17 34 68 136 8,273 16,546 33,092 66,184 140,641 281,282 562,564 and 1,125,128, with no remainder.
Since 1,125,128 cannot be divided by just 1 and 1,125,128, it is not a prime number.