100900804 has 6 divisors (see below), whose sum is σ = 176576414. Its totient is φ = 50450400.

The previous prime is 100900801. The next prime is 100900829. The reversal of 100900804 is 408009001.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 23425600 = 8802^2 + 4840^2 .

It is not an unprimeable number, because it can be changed into a prime (100900801) 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 as a sum of consecutive naturals, namely, 12612597 + ... + 12612604.

Almost surely, 2^100900804 is an apocalyptic number.

It is an amenable number.

100900804 is a deficient number, since it is larger than the sum of its proper divisors (75675610).

100900804 is a wasteful number, since it uses less digits than its factorization.

100900804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25225205 (or 25225203 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 100900804 is about 10044.9392233104. The cubic root of 100900804 is about 465.5484398784.

Adding to 100900804 its reverse (408009001), we get a palindrome (508909805).

The spelling of 100900804 in words is "one hundred million, nine hundred thousand, eight hundred four".