118597149 has 32 divisors (see below), whose sum is σ = 192758400. Its totient is φ = 71470080.

The previous prime is 118597109. The next prime is 118597159. The reversal of 118597149 is 941795811.

It is a happy number.

118597149 is a `hidden beast` number, since 1 + 18 + 597 + 1 + 49 = 666.

It is not a de Polignac number, because 118597149 - 2¹² = 118593053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118597109) 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 in 31 ways as a sum of consecutive naturals, for example, 56287 + ... + 58355.

It is an arithmetic number, because the mean of its divisors is an integer number (6023700).

Almost surely, 2^118597149 is an apocalyptic number.

It is an amenable number.

118597149 is a deficient number, since it is larger than the sum of its proper divisors (74161251).

118597149 is a wasteful number, since it uses less digits than its factorization.

118597149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2276 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 118597149 is about 10890.2318157145. The cubic root of 118597149 is about 491.3128047434.

The spelling of 118597149 in words is "one hundred eighteen million, five hundred ninety-seven thousand, one hundred forty-nine".