125351131 has 2 divisors, whose sum is σ = 125351132. Its totient is φ = 125351130.

The previous prime is 125351123. The next prime is 125351141. The reversal of 125351131 is 131153521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125351131 - 2³ = 125351123 is a prime.

It is a super-2 number, since 2×125351131² = 31425812085958322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125351141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62675565 + 62675566.

It is an arithmetic number, because the mean of its divisors is an integer number (62675566).

Almost surely, 2^125351131 is an apocalyptic number.

125351131 is a deficient number, since it is larger than the sum of its proper divisors (1).

125351131 is an equidigital number, since it uses as much as digits as its factorization.

125351131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 22.

The square root of 125351131 is about 11196.0319310013. The cubic root of 125351131 is about 500.4677369745.

The spelling of 125351131 in words is "one hundred twenty-five million, three hundred fifty-one thousand, one hundred thirty-one".