118030989 has 8 divisors (see below), whose sum is σ = 158254560. Its totient is φ = 78247376.

The previous prime is 118030973. The next prime is 118031003. The reversal of 118030989 is 989030811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118030989 - 2⁴ = 118030973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118030909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109362 + ... + 110435.

It is an arithmetic number, because the mean of its divisors is an integer number (19781820).

Almost surely, 2^118030989 is an apocalyptic number.

It is an amenable number.

118030989 is a deficient number, since it is larger than the sum of its proper divisors (40223571).

118030989 is a wasteful number, since it uses less digits than its factorization.

118030989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219979.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 118030989 is about 10864.2067819054. The cubic root of 118030989 is about 490.5297463882.

The spelling of 118030989 in words is "one hundred eighteen million, thirty thousand, nine hundred eighty-nine".