117120115 has 16 divisors (see below), whose sum is σ = 160931520. Its totient is φ = 80156160.

The previous prime is 117120053. The next prime is 117120119. The reversal of 117120115 is 511021711.

It is a de Polignac number, because none of the positive numbers 2^k-117120115 is a prime.

It is a super-2 number, since 2×117120115² = 27434242675226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117120092 and 117120101.

It is not an unprimeable number, because it can be changed into a prime (117120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16975 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (10058220).

Almost surely, 2^117120115 is an apocalyptic number.

117120115 is a deficient number, since it is larger than the sum of its proper divisors (43811405).

117120115 is an equidigital number, since it uses as much as digits as its factorization.

117120115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 117120115 is about 10822.2047199265. The cubic root of 117120115 is about 489.2646404133.

Adding to 117120115 its reverse (511021711), we get a palindrome (628141826).

The spelling of 117120115 in words is "one hundred seventeen million, one hundred twenty thousand, one hundred fifteen".