104413121 has 4 divisors (see below), whose sum is σ = 104436144. Its totient is φ = 104390100.

The previous prime is 104413117. The next prime is 104413129. The reversal of 104413121 is 121314401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121314401 = 13 ⋅9331877.

It is a cyclic number.

It is not a de Polignac number, because 104413121 - 2² = 104413117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104413121.

It is not an unprimeable number, because it can be changed into a prime (104413129) 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, 2195 + ... + 14616.

It is an arithmetic number, because the mean of its divisors is an integer number (26109036).

Almost surely, 2^104413121 is an apocalyptic number.

It is an amenable number.

104413121 is a deficient number, since it is larger than the sum of its proper divisors (23023).

104413121 is an equidigital number, since it uses as much as digits as its factorization.

104413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23022.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 104413121 is about 10218.2738757581. The cubic root of 104413121 is about 470.8887980256. Note that the first 3 decimals are identical.

Adding to 104413121 its reverse (121314401), we get a palindrome (225727522).

The spelling of 104413121 in words is "one hundred four million, four hundred thirteen thousand, one hundred twenty-one".