117118 has 8 divisors (see below), whose sum is σ = 181440. Its totient is φ = 56640.

The previous prime is 117109. The next prime is 117119. The reversal of 117118 is 811711.

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

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 117095 and 117104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2¹¹⁷¹¹⁸ is an apocalyptic number.

117118 is a deficient number, since it is larger than the sum of its proper divisors (64322).

117118 is a wasteful number, since it uses less digits than its factorization.

117118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

The product of its digits is 56, while the sum is 19.

The square root of 117118 is about 342.2250721382. The cubic root of 117118 is about 48.9261695286.

Adding to 117118 its reverse (811711), we get a palindrome (928829).

The spelling of 117118 in words is "one hundred seventeen thousand, one hundred eighteen".