100401204 has 12 divisors (see below), whose sum is σ = 234269504. Its totient is φ = 33467064.

The previous prime is 100401193. The next prime is 100401221. The reversal of 100401204 is 402104001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8366767 = 100401204 / (1 + 0 + 0 + 4 + 0 + 1 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 100401204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183372 + ... + 4183395.

Almost surely, 2^100401204 is an apocalyptic number.

It is an amenable number.

100401204 is an abundant number, since it is smaller than the sum of its proper divisors (133868300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100401204 is a wasteful number, since it uses less digits than its factorization.

100401204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366774 (or 8366772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100401204 is about 10020.0401196802. The cubic root of 100401204 is about 464.7787963958.

Adding to 100401204 its reverse (402104001), we get a palindrome (502505205).

The spelling of 100401204 in words is "one hundred million, four hundred one thousand, two hundred four".