117922249 has 4 divisors (see below), whose sum is σ = 117944064. Its totient is φ = 117900436.

The previous prime is 117922243. The next prime is 117922261. The reversal of 117922249 is 942229711.

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 a de Polignac number, because none of the positive numbers 2^k-117922249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117922243) 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, 3924 + ... + 15850.

It is an arithmetic number, because the mean of its divisors is an integer number (29486016).

Almost surely, 2^117922249 is an apocalyptic number.

It is an amenable number.

117922249 is a deficient number, since it is larger than the sum of its proper divisors (21815).

117922249 is an equidigital number, since it uses as much as digits as its factorization.

117922249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814.

The product of its digits is 18144, while the sum is 37.

The square root of 117922249 is about 10859.2011216295. The cubic root of 117922249 is about 490.3790611206.

It can be divided in two parts, 11792 and 2249, that added together give a palindrome (14041).

The spelling of 117922249 in words is "one hundred seventeen million, nine hundred twenty-two thousand, two hundred forty-nine".