116720117 has 2 divisors, whose sum is σ = 116720118. Its totient is φ = 116720116.

The previous prime is 116720077. The next prime is 116720119. The reversal of 116720117 is 711027611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 11062276 = 10279^2 + 3326^2 .

It is a cyclic number.

It is not a de Polignac number, because 116720117 - 2⁸ = 116719861 is a prime.

Together with 116720119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116720119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58360058 + 58360059.

It is an arithmetic number, because the mean of its divisors is an integer number (58360059).

Almost surely, 2^116720117 is an apocalyptic number.

It is an amenable number.

116720117 is a deficient number, since it is larger than the sum of its proper divisors (1).

116720117 is an equidigital number, since it uses as much as digits as its factorization.

116720117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 116720117 is about 10803.7084836643. The cubic root of 116720117 is about 488.7070131802.

Adding to 116720117 its reverse (711027611), we get a palindrome (827747728).

The spelling of 116720117 in words is "one hundred sixteen million, seven hundred twenty thousand, one hundred seventeen".