117267239 has 2 divisors, whose sum is σ = 117267240. Its totient is φ = 117267238.

The previous prime is 117267223. The next prime is 117267247. The reversal of 117267239 is 932762711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117267239 - 2⁴ = 117267223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117267439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58633619 + 58633620.

It is an arithmetic number, because the mean of its divisors is an integer number (58633620).

Almost surely, 2^117267239 is an apocalyptic number.

117267239 is a deficient number, since it is larger than the sum of its proper divisors (1).

117267239 is an equidigital number, since it uses as much as digits as its factorization.

117267239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 117267239 is about 10828.9999076554. Note that the first 4 decimals coincide. The cubic root of 117267239 is about 489.4694229164.

It can be divided in two parts, 1172672 and 39, that added together give a palindrome (1172711).

The spelling of 117267239 in words is "one hundred seventeen million, two hundred sixty-seven thousand, two hundred thirty-nine".