104121331 has 4 divisors (see below), whose sum is σ = 104941312. Its totient is φ = 103301352.

The previous prime is 104121323. The next prime is 104121337. The reversal of 104121331 is 133121401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104121331 - 2³ = 104121323 is a prime.

It is a super-2 number, since 2×104121331² = 21682503138423122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104121337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409800 + ... + 410053.

It is an arithmetic number, because the mean of its divisors is an integer number (26235328).

Almost surely, 2^104121331 is an apocalyptic number.

104121331 is a deficient number, since it is larger than the sum of its proper divisors (819981).

104121331 is an equidigital number, since it uses as much as digits as its factorization.

104121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819980.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 104121331 is about 10203.9860348787. The cubic root of 104121331 is about 470.4497445422.

Adding to 104121331 its reverse (133121401), we get a palindrome (237242732).

The spelling of 104121331 in words is "one hundred four million, one hundred twenty-one thousand, three hundred thirty-one".