125815036 has 12 divisors (see below), whose sum is σ = 231764680. Its totient is φ = 59596560.

The previous prime is 125815013. The next prime is 125815043. The reversal of 125815036 is 630518521.

It is a junction number, because it is equal to n+sod(n) for n = 125814989 and 125815007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827655 + ... + 827806.

Almost surely, 2^125815036 is an apocalyptic number.

It is an amenable number.

125815036 is a deficient number, since it is larger than the sum of its proper divisors (105949644).

125815036 is a wasteful number, since it uses less digits than its factorization.

125815036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655484 (or 1655482 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 125815036 is about 11216.7301830792. The cubic root of 125815036 is about 501.0843612878.

The spelling of 125815036 in words is "one hundred twenty-five million, eight hundred fifteen thousand, thirty-six".