100885505 has 32 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 67617792.

The previous prime is 100885483. The next prime is 100885507. The reversal of 100885505 is 505588001.

It is a cyclic number.

It is not a de Polignac number, because 100885505 - 2¹⁴ = 100869121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100885507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432869 + ... + 433101.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^100885505 is an apocalyptic number.

It is an amenable number.

100885505 is a deficient number, since it is larger than the sum of its proper divisors (40637695).

100885505 is a wasteful number, since it uses less digits than its factorization.

100885505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 100885505 is about 10044.1776666883. The cubic root of 100885505 is about 465.5249092249.

The spelling of 100885505 in words is "one hundred million, eight hundred eighty-five thousand, five hundred five".