125155940 has 48 divisors (see below), whose sum is σ = 323484672. Its totient is φ = 39609216.

The previous prime is 125155883. The next prime is 125155969. The reversal of 125155940 is 49551521.

It is a junction number, because it is equal to n+sod(n) for n = 125155897 and 125155906.

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, 32564 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (6739264).

Almost surely, 2^125155940 is an apocalyptic number.

125155940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125155940 is an abundant number, since it is smaller than the sum of its proper divisors (198328732).

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

125155940 is a wasteful number, since it uses less digits than its factorization.

125155940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68796 (or 68794 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 125155940 is about 11187.3115626588. The cubic root of 125155940 is about 500.2078335984.

The spelling of 125155940 in words is "one hundred twenty-five million, one hundred fifty-five thousand, nine hundred forty".