125681832 has 24 divisors (see below), whose sum is σ = 340388490. Its totient is φ = 41893920.

The previous prime is 125681783. The next prime is 125681849. The reversal of 125681832 is 238186521.

It is a happy number.

125681832 is a `hidden beast` number, since 12 + 568 + 1 + 83 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123076836 + 2604996 = 11094^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 872719 + ... + 872862.

Almost surely, 2^125681832 is an apocalyptic number.

125681832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125681832 is an abundant number, since it is smaller than the sum of its proper divisors (214706658).

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

125681832 is a wasteful number, since it uses less digits than its factorization.

125681832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745593 (or 1745586 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 125681832 is about 11210.7908730830. The cubic root of 125681832 is about 500.9074613647.

It can be divided in two parts, 12568 and 1832, that added together give a square (14400 = 120²).

The spelling of 125681832 in words is "one hundred twenty-five million, six hundred eighty-one thousand, eight hundred thirty-two".