125355440 has 40 divisors (see below), whose sum is σ = 333088800. Its totient is φ = 42978816.

The previous prime is 125355437. The next prime is 125355457. The reversal of 125355440 is 44553521.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111365 + ... + 112484.

It is an arithmetic number, because the mean of its divisors is an integer number (8327220).

Almost surely, 2^125355440 is an apocalyptic number.

125355440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125355440 is an abundant number, since it is smaller than the sum of its proper divisors (207733360).

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

125355440 is a wasteful number, since it uses less digits than its factorization.

125355440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223869 (or 223863 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125355440 is about 11196.2243635969. The cubic root of 125355440 is about 500.4734715079.

The spelling of 125355440 in words is "one hundred twenty-five million, three hundred fifty-five thousand, four hundred forty".