118597 has 4 divisors (see below), whose sum is σ = 119340. Its totient is φ = 117856.

The previous prime is 118589. The next prime is 118603. The reversal of 118597 is 795811.

118597 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 795811 = 541 ⋅1471.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 58081 = 246^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 118597 - 2³ = 118589 is a prime.

It is a Duffinian number.

118597 is an undulating number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118297) 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, 22 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (29835).

2¹¹⁸⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

118597 is a deficient number, since it is larger than the sum of its proper divisors (743).

118597 is an equidigital number, since it uses as much as digits as its factorization.

118597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 2520, while the sum is 31.

The square root of 118597 is about 344.3791515176. The cubic root of 118597 is about 49.1312598989.

The spelling of 118597 in words is "one hundred eighteen thousand, five hundred ninety-seven".