1125931 has 2 divisors, whose sum is σ = 1125932. Its totient is φ = 1125930.

The previous prime is 1125923. The next prime is 1125941. The reversal of 1125931 is 1395211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125931 - 2³ = 1125923 is a prime.

It is a super-2 number, since 2×1125931² = 2535441233522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1125911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562965 + 562966.

It is an arithmetic number, because the mean of its divisors is an integer number (562966).

2^1125931 is an apocalyptic number.

1125931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125931 is an equidigital number, since it uses as much as digits as its factorization.

1125931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 22.

The square root of 1125931 is about 1061.0989586273. The cubic root of 1125931 is about 104.0328729908.

The spelling of 1125931 in words is "one million, one hundred twenty-five thousand, nine hundred thirty-one".