125656056 has 64 divisors (see below), whose sum is σ = 350935200. Its totient is φ = 41658624.

The previous prime is 125656039. The next prime is 125656081. The reversal of 125656056 is 650656521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125656056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41076 + ... + 44028.

Almost surely, 2^125656056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125656056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175467600).

125656056 is an abundant number, since it is smaller than the sum of its proper divisors (225279144).

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

125656056 is a wasteful number, since it uses less digits than its factorization.

125656056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 125656056 is about 11209.6412074607. The cubic root of 125656056 is about 500.8732154352.

The spelling of 125656056 in words is "one hundred twenty-five million, six hundred fifty-six thousand, fifty-six".