118113 has 4 divisors (see below), whose sum is σ = 157488. Its totient is φ = 78740.

The previous prime is 118093. The next prime is 118127. The reversal of 118113 is 311811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118113 - 2⁵ = 118081 is a prime.

It is a D-number.

118113 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 118092 and 118101.

It is not an unprimeable number, because it can be changed into a prime (118163) 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, 19683 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (39372).

2¹¹⁸¹¹³ is an apocalyptic number.

It is an amenable number.

118113 is a deficient number, since it is larger than the sum of its proper divisors (39375).

118113 is an equidigital number, since it uses as much as digits as its factorization.

118113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39374.

The product of its digits is 24, while the sum is 15.

The square root of 118113 is about 343.6757192471. The cubic root of 118113 is about 49.0643331026.

Adding to 118113 its reverse (311811), we get a palindrome (429924).

It can be divided in two parts, 118 and 113, that added together give a triangular number (231 = T₂₁).

The spelling of 118113 in words is "one hundred eighteen thousand, one hundred thirteen".