125931727 has 2 divisors, whose sum is σ = 125931728. Its totient is φ = 125931726.

The previous prime is 125931721. The next prime is 125931761. The reversal of 125931727 is 727139521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125931727 - 2³ = 125931719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125931721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62965863 + 62965864.

It is an arithmetic number, because the mean of its divisors is an integer number (62965864).

Almost surely, 2^125931727 is an apocalyptic number.

125931727 is a deficient number, since it is larger than the sum of its proper divisors (1).

125931727 is an equidigital number, since it uses as much as digits as its factorization.

125931727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 125931727 is about 11221.9306271247. The cubic root of 125931727 is about 501.2392287534.

The spelling of 125931727 in words is "one hundred twenty-five million, nine hundred thirty-one thousand, seven hundred twenty-seven".