104099 has 4 divisors (see below), whose sum is σ = 106680. Its totient is φ = 101520.

The previous prime is 104089. The next prime is 104107. The reversal of 104099 is 990401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990401 = 227 ⋅4363.

It is a cyclic number.

It is not a de Polignac number, because 104099 - 2⁸ = 103843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104009) 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, 1229 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (26670).

2¹⁰⁴⁰⁹⁹ is an apocalyptic number.

104099 is a deficient number, since it is larger than the sum of its proper divisors (2581).

104099 is an equidigital number, since it uses as much as digits as its factorization.

104099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 104099 is about 322.6437664050. The cubic root of 104099 is about 47.0416109537.

The spelling of 104099 in words is "one hundred four thousand, ninety-nine".