125885640 has 64 divisors (see below), whose sum is σ = 397540800. Its totient is φ = 31802112.

The previous prime is 125885633. The next prime is 125885671. The reversal of 125885640 is 46588521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25327 + ... + 29886.

It is an arithmetic number, because the mean of its divisors is an integer number (6211575).

Almost surely, 2^125885640 is an apocalyptic number.

125885640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125885640 is an abundant number, since it is smaller than the sum of its proper divisors (271655160).

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

125885640 is a wasteful number, since it uses less digits than its factorization.

125885640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55246 (or 55242 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 125885640 is about 11219.8770046734. The cubic root of 125885640 is about 501.1780754299.

The spelling of 125885640 in words is "one hundred twenty-five million, eight hundred eighty-five thousand, six hundred forty".