126515125 has 32 divisors (see below), whose sum is σ = 174140928. Its totient is φ = 91000000.

The previous prime is 126515107. The next prime is 126515141. The reversal of 126515125 is 521515621.

It is not a de Polignac number, because 126515125 - 2⁵ = 126515093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126515093 and 126515102.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 138420 + ... + 139330.

It is an arithmetic number, because the mean of its divisors is an integer number (5441904).

Almost surely, 2^126515125 is an apocalyptic number.

It is an amenable number.

126515125 is a deficient number, since it is larger than the sum of its proper divisors (47625803).

126515125 is a wasteful number, since it uses less digits than its factorization.

126515125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1028 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 126515125 is about 11247.8942473691. The cubic root of 126515125 is about 502.0120590427.

The spelling of 126515125 in words is "one hundred twenty-six million, five hundred fifteen thousand, one hundred twenty-five".