104120665 has 32 divisors (see below), whose sum is σ = 151943040. Its totient is φ = 67507200.

The previous prime is 104120647. The next prime is 104120669. The reversal of 104120665 is 566021401.

It is not a de Polignac number, because 104120665 - 2⁵ = 104120633 is a prime.

It is a super-2 number, since 2×104120665² = 21682225760084450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104120669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14835 + ... + 20695.

It is an arithmetic number, because the mean of its divisors is an integer number (4748220).

Almost surely, 2^104120665 is an apocalyptic number.

It is an amenable number.

104120665 is a deficient number, since it is larger than the sum of its proper divisors (47822375).

104120665 is a wasteful number, since it uses less digits than its factorization.

104120665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104120665 is about 10203.9534005208. The cubic root of 104120665 is about 470.4487414810.

The spelling of 104120665 in words is "one hundred four million, one hundred twenty thousand, six hundred sixty-five".