117972119 has 4 divisors (see below), whose sum is σ = 118005480. Its totient is φ = 117938760.

The previous prime is 117972103. The next prime is 117972131. The reversal of 117972119 is 911279711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911279711 = 23 ⋅39620857.

It is a cyclic number.

It is not a de Polignac number, because 117972119 - 2⁴ = 117972103 is a prime.

It is a super-2 number, since 2×117972119² = 27834841722700322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117972619) 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, 10649 + ... + 18690.

It is an arithmetic number, because the mean of its divisors is an integer number (29501370).

Almost surely, 2^117972119 is an apocalyptic number.

117972119 is a deficient number, since it is larger than the sum of its proper divisors (33361).

117972119 is an equidigital number, since it uses as much as digits as its factorization.

117972119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33360.

The product of its digits is 7938, while the sum is 38.

The square root of 117972119 is about 10861.4970883392. The cubic root of 117972119 is about 490.4481794235.

The spelling of 117972119 in words is "one hundred seventeen million, nine hundred seventy-two thousand, one hundred nineteen".