104103815 has 4 divisors (see below), whose sum is σ = 124924584. Its totient is φ = 83283048.

The previous prime is 104103781. The next prime is 104103833. The reversal of 104103815 is 518301401.

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 104103815 - 2¹² = 104099719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10410377 + ... + 10410386.

It is an arithmetic number, because the mean of its divisors is an integer number (31231146).

Almost surely, 2^104103815 is an apocalyptic number.

104103815 is a deficient number, since it is larger than the sum of its proper divisors (20820769).

104103815 is an equidigital number, since it uses as much as digits as its factorization.

104103815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820768.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 104103815 is about 10203.1277067378. The cubic root of 104103815 is about 470.4233623085.

The spelling of 104103815 in words is "one hundred four million, one hundred three thousand, eight hundred fifteen".