125839560 has 128 divisors (see below), whose sum is σ = 470707200. Its totient is φ = 26146560.

The previous prime is 125839547. The next prime is 125839583. The reversal of 125839560 is 65938521.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (3677400).

Almost surely, 2^125839560 is an apocalyptic number.

125839560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125839560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235353600).

125839560 is an abundant number, since it is smaller than the sum of its proper divisors (344867640).

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

125839560 is a wasteful number, since it uses less digits than its factorization.

125839560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651 (or 13647 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 125839560 is about 11217.8233182735. The cubic root of 125839560 is about 501.1169164707.

The spelling of 125839560 in words is "one hundred twenty-five million, eight hundred thirty-nine thousand, five hundred sixty".