125708831 has 2 divisors, whose sum is σ = 125708832. Its totient is φ = 125708830.

The previous prime is 125708743. The next prime is 125708839. The reversal of 125708831 is 138807521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125708831 - 2²² = 121514527 is a prime.

It is a super-2 number, since 2×125708831² = 31605420382773122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125708791 and 125708800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125708839) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62854415 + 62854416.

It is an arithmetic number, because the mean of its divisors is an integer number (62854416).

Almost surely, 2^125708831 is an apocalyptic number.

125708831 is a deficient number, since it is larger than the sum of its proper divisors (1).

125708831 is an equidigital number, since it uses as much as digits as its factorization.

125708831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 125708831 is about 11211.9949607552. The cubic root of 125708831 is about 500.9433271485.

The spelling of 125708831 in words is "one hundred twenty-five million, seven hundred eight thousand, eight hundred thirty-one".