100560931 has 16 divisors (see below), whose sum is σ = 108160768. Its totient is φ = 93312000.

The previous prime is 100560919. The next prime is 100560949. The reversal of 100560931 is 139065001.

It is a 10-Lehmer number, since φ(100560931) divides (100560931-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 100560931 - 2¹⁵ = 100528163 is a prime.

It is a super-2 number, since 2×100560931² = 20225001687173522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100560896 and 100560905.

It is not an unprimeable number, because it can be changed into a prime (100560431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83131 + ... + 84331.

It is an arithmetic number, because the mean of its divisors is an integer number (6760048).

Almost surely, 2^100560931 is an apocalyptic number.

100560931 is a deficient number, since it is larger than the sum of its proper divisors (7599837).

100560931 is a wasteful number, since it uses less digits than its factorization.

100560931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 100560931 is about 10028.0073294748. The cubic root of 100560931 is about 465.0251360367.

The spelling of 100560931 in words is "one hundred million, five hundred sixty thousand, nine hundred thirty-one".