125415534 has 8 divisors (see below), whose sum is σ = 250831080. Its totient is φ = 41805176.

The previous prime is 125415529. The next prime is 125415547. The reversal of 125415534 is 435514521.

It is a sphenic number, since it is the product of 3 distinct primes.

125415534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10451289 + ... + 10451300.

It is an arithmetic number, because the mean of its divisors is an integer number (31353885).

Almost surely, 2^125415534 is an apocalyptic number.

125415534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125415534 is a wasteful number, since it uses less digits than its factorization.

125415534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902594.

The product of its digits is 12000, while the sum is 30.

The square root of 125415534 is about 11198.9077145943. The cubic root of 125415534 is about 500.5534325322.

The spelling of 125415534 in words is "one hundred twenty-five million, four hundred fifteen thousand, five hundred thirty-four".