118717 has 2 divisors, whose sum is σ = 118718. Its totient is φ = 118716.

The previous prime is 118709. The next prime is 118739. The reversal of 118717 is 717811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70756 + 47961 = 266^2 + 219^2 .

It is an emirp because it is prime and its reverse (717811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118717 - 2³ = 118709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118691 and 118700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118747) 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, 59358 + 59359.

It is an arithmetic number, because the mean of its divisors is an integer number (59359).

2¹¹⁸⁷¹⁷ is an apocalyptic number.

It is an amenable number.

118717 is a deficient number, since it is larger than the sum of its proper divisors (1).

118717 is an equidigital number, since it uses as much as digits as its factorization.

118717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 25.

The square root of 118717 is about 344.5533340428. The cubic root of 118717 is about 49.1478251403.

The spelling of 118717 in words is "one hundred eighteen thousand, seven hundred seventeen".