100256056 has 16 divisors (see below), whose sum is σ = 190360800. Its totient is φ = 49493184.

The previous prime is 100256041. The next prime is 100256063. The reversal of 100256056 is 650652001.

It is a self number, because there is not a number n which added to its sum of digits gives 100256056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78685 + ... + 79948.

It is an arithmetic number, because the mean of its divisors is an integer number (11897550).

Almost surely, 2^100256056 is an apocalyptic number.

It is an amenable number.

100256056 is a deficient number, since it is larger than the sum of its proper divisors (90104744).

100256056 is a wasteful number, since it uses less digits than its factorization.

100256056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158718 (or 158714 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 100256056 is about 10012.7946148915. The cubic root of 100256056 is about 464.5547145935.

The spelling of 100256056 in words is "one hundred million, two hundred fifty-six thousand, fifty-six".