100561076 has 24 divisors (see below), whose sum is σ = 219406656. Its totient is φ = 39179520.

The previous prime is 100561051. The next prime is 100561093. The reversal of 100561076 is 670165001.

It is a super-2 number, since 2×100561076² = 20225060012555552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162941 + ... + 163556.

It is an arithmetic number, because the mean of its divisors is an integer number (9141944).

Almost surely, 2^100561076 is an apocalyptic number.

It is an amenable number.

100561076 is an abundant number, since it is smaller than the sum of its proper divisors (118845580).

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

100561076 is a wasteful number, since it uses less digits than its factorization.

100561076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326519 (or 326517 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 100561076 is about 10028.0145592236. The cubic root of 100561076 is about 465.0253595450.

The spelling of 100561076 in words is "one hundred million, five hundred sixty-one thousand, seventy-six".