100560561 has 8 divisors (see below), whose sum is σ = 137704704. Its totient is φ = 65228400.

The previous prime is 100560529. The next prime is 100560563. The reversal of 100560561 is 165065001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100560561 - 2⁵ = 100560529 is a prime.

It is a super-2 number, since 2×100560561² = 20224852857269442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100560563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452865 + ... + 453086.

It is an arithmetic number, because the mean of its divisors is an integer number (17213088).

Almost surely, 2^100560561 is an apocalyptic number.

It is an amenable number.

100560561 is a deficient number, since it is larger than the sum of its proper divisors (37144143).

100560561 is an equidigital number, since it uses as much as digits as its factorization.

100560561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905991.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 100560561 is about 10027.9888811267. The cubic root of 100560561 is about 465.0245657041.

The spelling of 100560561 in words is "one hundred million, five hundred sixty thousand, five hundred sixty-one".