118105 has 16 divisors (see below), whose sum is σ = 161280. Its totient is φ = 82368.

The previous prime is 118093. The next prime is 118127. The reversal of 118105 is 501811.

It is not a de Polignac number, because 118105 - 2⁷ = 117977 is a prime.

118105 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2¹¹⁸¹⁰⁵ is an apocalyptic number.

It is an amenable number.

118105 is a deficient number, since it is larger than the sum of its proper divisors (43175).

118105 is a wasteful number, since it uses less digits than its factorization.

118105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 118105 is about 343.6640801713. The cubic root of 118105 is about 49.0632253399.

Adding to 118105 its reverse (501811), we get a palindrome (619916).

The spelling of 118105 in words is "one hundred eighteen thousand, one hundred five".