125555385 has 16 divisors (see below), whose sum is σ = 204183360. Its totient is φ = 65864640.

The previous prime is 125555371. The next prime is 125555429. The reversal of 125555385 is 583555521.

It is a happy number.

It is not a de Polignac number, because 125555385 - 2⁷ = 125555257 is a prime.

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, 67695 + ... + 69524.

It is an arithmetic number, because the mean of its divisors is an integer number (12761460).

Almost surely, 2^125555385 is an apocalyptic number.

125555385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125555385 is a deficient number, since it is larger than the sum of its proper divisors (78627975).

125555385 is a wasteful number, since it uses less digits than its factorization.

125555385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137288.

The product of its digits is 150000, while the sum is 39.

The square root of 125555385 is about 11205.1499320625. The cubic root of 125555385 is about 500.7394193125.

The spelling of 125555385 in words is "one hundred twenty-five million, five hundred fifty-five thousand, three hundred eighty-five".