125515832 has 32 divisors (see below), whose sum is σ = 256670400. Its totient is φ = 57193344.

The previous prime is 125515829. The next prime is 125515849. The reversal of 125515832 is 238515521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (8020950).

Almost surely, 2^125515832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125515832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128335200).

125515832 is an abundant number, since it is smaller than the sum of its proper divisors (131154568).

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

125515832 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 125515832 = (282155315)₉.

125515832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375 (or 15371 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 125515832 is about 11203.3848456616. The cubic root of 125515832 is about 500.6868320913.

The spelling of 125515832 in words is "one hundred twenty-five million, five hundred fifteen thousand, eight hundred thirty-two".