104665 has 12 divisors (see below), whose sum is σ = 138852. Its totient is φ = 75680.

The previous prime is 104659. The next prime is 104677. The reversal of 104665 is 566401.

104665 = T₂₀ + T₂₁ + ... + T₈₅.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 34969 = 264^2 + 187^2 .

It is not a de Polignac number, because 104665 - 2⁷ = 104537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (11571).

2¹⁰⁴⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

104665 is a deficient number, since it is larger than the sum of its proper divisors (34187).

104665 is a wasteful number, since it uses less digits than its factorization.

104665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 104665 is about 323.5197057368. The cubic root of 104665 is about 47.1267140495.

It can be divided in two parts, 1046 and 65, that added together give a palindrome (1111).

The spelling of 104665 in words is "one hundred four thousand, six hundred sixty-five".