118085 has 16 divisors (see below), whose sum is σ = 164160. Its totient is φ = 80640.

The previous prime is 118081. The next prime is 118093. The reversal of 118085 is 580811.

Added to its reverse (580811) it gives a square (698896 = 836²).

It is not a de Polignac number, because 118085 - 2² = 118081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹¹⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

118085 is a deficient number, since it is larger than the sum of its proper divisors (46075).

118085 is a wasteful number, since it uses less digits than its factorization.

118085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 118085 is about 343.6349807572. The cubic root of 118085 is about 49.0604557142.

Adding to 118085 its reverse (580811), we get a palindrome (698896).

The spelling of 118085 in words is "one hundred eighteen thousand, eighty-five".