117922943 has 4 divisors (see below), whose sum is σ = 119856168. Its totient is φ = 115989720.

The previous prime is 117922927. The next prime is 117922951. The reversal of 117922943 is 349229711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349229711 = 3697 ⋅94463.

It is a cyclic number.

It is not a de Polignac number, because 117922943 - 2⁴ = 117922927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117922897 and 117922906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117922913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966521 + ... + 966642.

It is an arithmetic number, because the mean of its divisors is an integer number (29964042).

Almost surely, 2^117922943 is an apocalyptic number.

117922943 is a deficient number, since it is larger than the sum of its proper divisors (1933225).

117922943 is an equidigital number, since it uses as much as digits as its factorization.

117922943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933224.

The product of its digits is 27216, while the sum is 38.

The square root of 117922943 is about 10859.2330760510. The cubic root of 117922943 is about 490.3800231172.

The spelling of 117922943 in words is "one hundred seventeen million, nine hundred twenty-two thousand, nine hundred forty-three".