117940519 has 2 divisors, whose sum is σ = 117940520. Its totient is φ = 117940518.

The previous prime is 117940517. The next prime is 117940549. The reversal of 117940519 is 915049711.

It is a weak prime.

It is an emirp because it is prime and its reverse (915049711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117940519 - 2¹ = 117940517 is a prime.

It is a super-2 number, since 2×117940519² = 27819932043978722, which contains 22 as substring.

Together with 117940517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117940517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58970259 + 58970260.

It is an arithmetic number, because the mean of its divisors is an integer number (58970260).

Almost surely, 2^117940519 is an apocalyptic number.

117940519 is a deficient number, since it is larger than the sum of its proper divisors (1).

117940519 is an equidigital number, since it uses as much as digits as its factorization.

117940519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 117940519 is about 10860.0423111515. The cubic root of 117940519 is about 490.4043850462.

The spelling of 117940519 in words is "one hundred seventeen million, nine hundred forty thousand, five hundred nineteen".