108085 has 4 divisors (see below), whose sum is σ = 129708. Its totient is φ = 86464.

The previous prime is 108079. The next prime is 108089. The reversal of 108085 is 580801.

108085 = T₁₄₂ + T₁₄₃ + ... + T₁₅₁.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28561 + 79524 = 169^2 + 282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108085 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 (108089) 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, 10804 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (32427).

2¹⁰⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

108085 is a deficient number, since it is larger than the sum of its proper divisors (21623).

108085 is an equidigital number, since it uses as much as digits as its factorization.

108085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 108085 is about 328.7628324492. The cubic root of 108085 is about 47.6345217171.

Adding to 108085 its reverse (580801), we get a palindrome (688886).

The spelling of 108085 in words is "one hundred eight thousand, eighty-five".