Q: Is 1,125,525 a Prime Number?
A: No, 1,125,525 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 1125525 can be evenly divided by 1 3 5 15 25 43 75 129 215 349 645 1,047 1,075 1,745 3,225 5,235 8,725 15,007 26,175 45,021 75,035 225,105 375,175 and 1,125,525, with no remainder.
Since 1,125,525 cannot be divided by just 1 and 1,125,525, it is not a prime number.