104491231 has 32 divisors (see below), whose sum is σ = 126741888. Its totient is φ = 85155840.

The previous prime is 104491223. The next prime is 104491237. The reversal of 104491231 is 132194401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104491231 - 2³ = 104491223 is a prime.

It is a super-2 number, since 2×104491231² = 21836834711790722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104491196 and 104491205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104491237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309895 + ... + 310231.

It is an arithmetic number, because the mean of its divisors is an integer number (3960684).

Almost surely, 2^104491231 is an apocalyptic number.

104491231 is a deficient number, since it is larger than the sum of its proper divisors (22250657).

104491231 is a wasteful number, since it uses less digits than its factorization.

104491231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 104491231 is about 10222.0952353224. The cubic root of 104491231 is about 471.0061905386.

The spelling of 104491231 in words is "one hundred four million, four hundred ninety-one thousand, two hundred thirty-one".