118185 has 8 divisors (see below), whose sum is σ = 189120. Its totient is φ = 63024.

The previous prime is 118171. The next prime is 118189. The reversal of 118185 is 581811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118185 - 2⁴ = 118169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3925 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (23640).

2¹¹⁸¹⁸⁵ is an apocalyptic number.

118185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118185 is a deficient number, since it is larger than the sum of its proper divisors (70935).

118185 is an equidigital number, since it uses as much as digits as its factorization.

118185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887.

The product of its digits is 320, while the sum is 24.

The square root of 118185 is about 343.7804531965. The cubic root of 118185 is about 49.0743007167.

Adding to 118185 its reverse (581811), we get a palindrome (699996).

It can be divided in two parts, 118 and 185, that added together give a palindrome (303).

The spelling of 118185 in words is "one hundred eighteen thousand, one hundred eighty-five".