104404131 has 24 divisors (see below), whose sum is σ = 162760416. Its totient is φ = 64108800.

The previous prime is 104404127. The next prime is 104404133. The reversal of 104404131 is 131404401.

It is not a de Polignac number, because 104404131 - 2² = 104404127 is a prime.

It is a super-2 number, since 2×104404131² = 21800445139730322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104404133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86331 + ... + 87531.

It is an arithmetic number, because the mean of its divisors is an integer number (6781684).

Almost surely, 2^104404131 is an apocalyptic number.

104404131 is a deficient number, since it is larger than the sum of its proper divisors (58356285).

104404131 is a wasteful number, since it uses less digits than its factorization.

104404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104404131 is about 10217.8339681167. The cubic root of 104404131 is about 470.8752830837.

Adding to 104404131 its reverse (131404401), we get a palindrome (235808532).

The spelling of 104404131 in words is "one hundred four million, four hundred four thousand, one hundred thirty-one".