118975189 has 4 divisors (see below), whose sum is σ = 121506624. Its totient is φ = 116443756.

The previous prime is 118975141. The next prime is 118975217. The reversal of 118975189 is 981579811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118975189 - 2²⁵ = 85420757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118975889) 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, 1265647 + ... + 1265740.

It is an arithmetic number, because the mean of its divisors is an integer number (30376656).

Almost surely, 2^118975189 is an apocalyptic number.

It is an amenable number.

118975189 is a deficient number, since it is larger than the sum of its proper divisors (2531435).

118975189 is an equidigital number, since it uses as much as digits as its factorization.

118975189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531434.

The product of its digits is 181440, while the sum is 49.

The square root of 118975189 is about 10907.5748450332. The cubic root of 118975189 is about 491.8342868998.

The spelling of 118975189 in words is "one hundred eighteen million, nine hundred seventy-five thousand, one hundred eighty-nine".