100561132 has 18 divisors (see below), whose sum is σ = 204714132. Its totient is φ = 43097544.

The previous prime is 100561099. The next prime is 100561147. The reversal of 100561132 is 231165001.

It is a super-2 number, since 2×100561132² = 20225082538242848, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 256338 + ... + 256729.

Almost surely, 2^100561132 is an apocalyptic number.

It is an amenable number.

100561132 is an abundant number, since it is smaller than the sum of its proper divisors (104153000).

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

100561132 is a wasteful number, since it uses less digits than its factorization.

100561132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513085 (or 513076 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100561132 is about 10028.0173514010. The cubic root of 100561132 is about 465.0254458654.

The spelling of 100561132 in words is "one hundred million, five hundred sixty-one thousand, one hundred thirty-two".