125556130 has 96 divisors (see below), whose sum is σ = 276281280. Its totient is φ = 40924800.

The previous prime is 125556113. The next prime is 125556157. The reversal of 125556130 is 31655521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1243080 + ... + 1243180.

It is an arithmetic number, because the mean of its divisors is an integer number (2877930).

Almost surely, 2^125556130 is an apocalyptic number.

125556130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125556130 is an abundant number, since it is smaller than the sum of its proper divisors (150725150).

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

125556130 is a wasteful number, since it uses less digits than its factorization.

125556130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 125556130 is about 11205.1831756558. The cubic root of 125556130 is about 500.7404097124.

The spelling of 125556130 in words is "one hundred twenty-five million, five hundred fifty-six thousand, one hundred thirty".