117503761 has 2 divisors, whose sum is σ = 117503762. Its totient is φ = 117503760.

The previous prime is 117503759. The next prime is 117503777. The reversal of 117503761 is 167305711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 31013761 = 9300^2 + 5569^2 .

It is an emirp because it is prime and its reverse (167305711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117503761 - 2¹ = 117503759 is a prime.

Together with 117503759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117503791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58751880 + 58751881.

It is an arithmetic number, because the mean of its divisors is an integer number (58751881).

Almost surely, 2^117503761 is an apocalyptic number.

It is an amenable number.

117503761 is a deficient number, since it is larger than the sum of its proper divisors (1).

117503761 is an equidigital number, since it uses as much as digits as its factorization.

117503761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 117503761 is about 10839.9151749449. The cubic root of 117503761 is about 489.7982801508.

The spelling of 117503761 in words is "one hundred seventeen million, five hundred three thousand, seven hundred sixty-one".