104155015 has 4 divisors (see below), whose sum is σ = 124986024. Its totient is φ = 83324008.

The previous prime is 104155003. The next prime is 104155019. The reversal of 104155015 is 510551401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510551401 = 23 ⋅22197887.

It is a cyclic number.

It is not a de Polignac number, because 104155015 - 2⁷ = 104154887 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104155019) 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, 10415497 + ... + 10415506.

It is an arithmetic number, because the mean of its divisors is an integer number (31246506).

Almost surely, 2^104155015 is an apocalyptic number.

104155015 is a deficient number, since it is larger than the sum of its proper divisors (20831009).

104155015 is an equidigital number, since it uses as much as digits as its factorization.

104155015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831008.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 104155015 is about 10205.6364328737. The cubic root of 104155015 is about 470.5004703654.

The spelling of 104155015 in words is "one hundred four million, one hundred fifty-five thousand, fifteen".