118197 has 12 divisors (see below), whose sum is σ = 178464. Its totient is φ = 75240.

The previous prime is 118189. The next prime is 118211. The reversal of 118197 is 791811.

It is not a de Polignac number, because 118197 - 2³ = 118189 is a prime.

118197 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 118197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118127) 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 in 11 ways as a sum of consecutive naturals, for example, 79 + ... + 492.

It is an arithmetic number, because the mean of its divisors is an integer number (14872).

2¹¹⁸¹⁹⁷ is an apocalyptic number.

It is an amenable number.

118197 is a deficient number, since it is larger than the sum of its proper divisors (60267).

118197 is a wasteful number, since it uses less digits than its factorization.

118197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 597 counting only the distinct ones).

The product of its digits is 504, while the sum is 27.

The square root of 118197 is about 343.7979057528. The cubic root of 118197 is about 49.0759615921.

The spelling of 118197 in words is "one hundred eighteen thousand, one hundred ninety-seven".