125955840 has 72 divisors (see below), whose sum is σ = 402283728. Its totient is φ = 33587200.

The previous prime is 125955833. The next prime is 125955847. The reversal of 125955840 is 48559521.

It is an interprime number because it is at equal distance from previous prime (125955833) and next prime (125955847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125955847) 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, 12561 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (5587274).

Almost surely, 2^125955840 is an apocalyptic number.

125955840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125955840 is an abundant number, since it is smaller than the sum of its proper divisors (276327888).

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

125955840 is an equidigital number, since it uses as much as digits as its factorization.

125955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32825 (or 32811 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 125955840 is about 11223.0049452007. The cubic root of 125955840 is about 501.2712186008.

The spelling of 125955840 in words is "one hundred twenty-five million, nine hundred fifty-five thousand, eight hundred forty".