115118 has 4 divisors (see below), whose sum is σ = 172680. Its totient is φ = 57558.

The previous prime is 115117. The next prime is 115123. The reversal of 115118 is 811511.

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

It is a junction number, because it is equal to n+sod(n) for n = 115096 and 115105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28778 + ... + 28781.

It is an arithmetic number, because the mean of its divisors is an integer number (43170).

2¹¹⁵¹¹⁸ is an apocalyptic number.

115118 is a deficient number, since it is larger than the sum of its proper divisors (57562).

115118 is an equidigital number, since it uses as much as digits as its factorization.

115118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57561.

The product of its digits is 40, while the sum is 17.

The square root of 115118 is about 339.2904360574. The cubic root of 115118 is about 48.6460683038.

Adding to 115118 its reverse (811511), we get a palindrome (926629).

The spelling of 115118 in words is "one hundred fifteen thousand, one hundred eighteen".