1104638215 has 4 divisors (see below), whose sum is σ = 1325565864. Its totient is φ = 883710568.

The previous prime is 1104638209. The next prime is 1104638233. The reversal of 1104638215 is 5128364011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5128364011 = 2143 ⋅2393077.

It is a cyclic number.

It is not a de Polignac number, because 1104638215 - 2²⁷ = 970420487 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, 110463817 + ... + 110463826.

It is an arithmetic number, because the mean of its divisors is an integer number (331391466).

Almost surely, 2^1104638215 is an apocalyptic number.

1104638215 is a deficient number, since it is larger than the sum of its proper divisors (220927649).

1104638215 is an equidigital number, since it uses as much as digits as its factorization.

1104638215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220927648.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1104638215 is about 33236.0980712237. The cubic root of 1104638215 is about 1033.7289710005.

The spelling of 1104638215 in words is "one billion, one hundred four million, six hundred thirty-eight thousand, two hundred fifteen".