117619 has 2 divisors, whose sum is σ = 117620. Its totient is φ = 117618.

The previous prime is 117617. The next prime is 117643. The reversal of 117619 is 916711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117619 - 2¹ = 117617 is a prime.

It is a super-2 number, since 2×117619² = 27668458322, which contains 22 as substring.

Together with 117617, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 117593 and 117602.

It is not a weakly prime, because it can be changed into another prime (117617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58809 + 58810.

It is an arithmetic number, because the mean of its divisors is an integer number (58810).

117619 is a Friedman number, since it can be written as 7^6-19-11, using all its digits and the basic arithmetic operations.

2¹¹⁷⁶¹⁹ is an apocalyptic number.

117619 is a deficient number, since it is larger than the sum of its proper divisors (1).

117619 is an equidigital number, since it uses as much as digits as its factorization.

117619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 25.

The square root of 117619 is about 342.9562654334. The cubic root of 117619 is about 48.9958347147.

The spelling of 117619 in words is "one hundred seventeen thousand, six hundred nineteen".