117016261 has 4 divisors (see below), whose sum is σ = 117044352. Its totient is φ = 116988172.

The previous prime is 117016243. The next prime is 117016271. The reversal of 117016261 is 162610711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117016261 - 2⁹ = 117015749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117016271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415 + ... + 16588.

It is an arithmetic number, because the mean of its divisors is an integer number (29261088).

Almost surely, 2^117016261 is an apocalyptic number.

It is an amenable number.

117016261 is a deficient number, since it is larger than the sum of its proper divisors (28091).

117016261 is an equidigital number, since it uses as much as digits as its factorization.

117016261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28090.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 117016261 is about 10817.4054652675. The cubic root of 117016261 is about 489.1199823237.

Adding to 117016261 its reverse (162610711), we get a palindrome (279626972).

The spelling of 117016261 in words is "one hundred seventeen million, sixteen thousand, two hundred sixty-one".