101004804 has 18 divisors (see below), whose sum is σ = 255317790. Its totient is φ = 33668256.

The previous prime is 101004797. The next prime is 101004809. The reversal of 101004804 is 408400101.

It can be written as a sum of positive squares in only one way, i.e., 101002500 + 2304 = 10050^2 + 48^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101004809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402809 + ... + 1402880.

Almost surely, 2^101004804 is an apocalyptic number.

It is an amenable number.

101004804 is an abundant number, since it is smaller than the sum of its proper divisors (154312986).

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

101004804 is a wasteful number, since it uses less digits than its factorization.

101004804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805699 (or 2805694 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 101004804 is about 10050.1146262120. The cubic root of 101004804 is about 465.7083342520.

Adding to 101004804 its reverse (408400101), we get a palindrome (509404905).

The spelling of 101004804 in words is "one hundred one million, four thousand, eight hundred four".