117514721 has 2 divisors, whose sum is σ = 117514722. Its totient is φ = 117514720.

The previous prime is 117514703. The next prime is 117514763. The reversal of 117514721 is 127415711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 4326400 = 10639^2 + 2080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117514721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117514781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58757360 + 58757361.

It is an arithmetic number, because the mean of its divisors is an integer number (58757361).

Almost surely, 2^117514721 is an apocalyptic number.

It is an amenable number.

117514721 is a deficient number, since it is larger than the sum of its proper divisors (1).

117514721 is an equidigital number, since it uses as much as digits as its factorization.

117514721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 29.

The square root of 117514721 is about 10840.4207021683. The cubic root of 117514721 is about 489.8135080953.

The spelling of 117514721 in words is "one hundred seventeen million, five hundred fourteen thousand, seven hundred twenty-one".