204100907 has 8 divisors (see below), whose sum is σ = 214992960. Its totient is φ = 193223880.

The previous prime is 204100891. The next prime is 204100913. The reversal of 204100907 is 709001402.

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

It is a cyclic number.

It is not a de Polignac number, because 204100907 - 2⁴ = 204100891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204100957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33908 + ... + 39470.

It is an arithmetic number, because the mean of its divisors is an integer number (26874120).

Almost surely, 2^204100907 is an apocalyptic number.

204100907 is a deficient number, since it is larger than the sum of its proper divisors (10892053).

204100907 is a wasteful number, since it uses less digits than its factorization.

204100907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 204100907 is about 14286.3888719298. The cubic root of 204100907 is about 588.7735770990.

The spelling of 204100907 in words is "two hundred four million, one hundred thousand, nine hundred seven".