125555000 has 40 divisors (see below), whose sum is σ = 294187080. Its totient is φ = 50220000.

The previous prime is 125554993. The next prime is 125555011. The reversal of 125555000 is 555521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7556 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (7354677).

Almost surely, 2^125555000 is an apocalyptic number.

125555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125555000 is an abundant number, since it is smaller than the sum of its proper divisors (168632080).

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

125555000 is an equidigital number, since it uses as much as digits as its factorization.

125555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25137 (or 25118 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 125555000 is about 11205.1327524488. The cubic root of 125555000 is about 500.7389074935.

The spelling of 125555000 in words is "one hundred twenty-five million, five hundred fifty-five thousand".