125455190 has 24 divisors (see below), whose sum is σ = 262688832. Its totient is φ = 43013040.

The previous prime is 125455177. The next prime is 125455207. The reversal of 125455190 is 91554521.

It is a super-2 number, since 2×125455190² = 31478009395872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127526 + ... + 128505.

It is an arithmetic number, because the mean of its divisors is an integer number (10945368).

Almost surely, 2^125455190 is an apocalyptic number.

125455190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125455190 is an abundant number, since it is smaller than the sum of its proper divisors (137233642).

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

125455190 is a wasteful number, since it uses less digits than its factorization.

125455190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256052 (or 256045 counting only the distinct ones).

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

The square root of 125455190 is about 11200.6781044721. The cubic root of 125455190 is about 500.6061847830.

The spelling of 125455190 in words is "one hundred twenty-five million, four hundred fifty-five thousand, one hundred ninety".