101056556 has 12 divisors (see below), whose sum is σ = 176919792. Its totient is φ = 50508048.

The previous prime is 101056547. The next prime is 101056589. The reversal of 101056556 is 655650101.

It is a super-2 number, since 2×101056556² = 20424855021162272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15161 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (14743316).

Almost surely, 2^101056556 is an apocalyptic number.

It is an amenable number.

101056556 is a deficient number, since it is larger than the sum of its proper divisors (75863236).

101056556 is a wasteful number, since it uses less digits than its factorization.

101056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 101056556 is about 10052.6889934982. The cubic root of 101056556 is about 465.7878592569.

It can be divided in two parts, 10105 and 6556, that added together give a palindrome (16661).

The spelling of 101056556 in words is "one hundred one million, fifty-six thousand, five hundred fifty-six".