125684912 has 40 divisors (see below), whose sum is σ = 253317120. Its totient is φ = 60344640.

The previous prime is 125684891. The next prime is 125684917. The reversal of 125684912 is 219486521.

It is not an unprimeable number, because it can be changed into a prime (125684917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68033 + ... + 69855.

It is an arithmetic number, because the mean of its divisors is an integer number (6332928).

Almost surely, 2^125684912 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 125684912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126658560).

125684912 is an abundant number, since it is smaller than the sum of its proper divisors (127632208).

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

125684912 is a wasteful number, since it uses less digits than its factorization.

125684912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1995 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 125684912 is about 11210.9282398916. The cubic root of 125684912 is about 500.9115531319.

It can be divided in two parts, 1256 and 84912, that added together give a palindrome (86168).

The spelling of 125684912 in words is "one hundred twenty-five million, six hundred eighty-four thousand, nine hundred twelve".