118706989 has 8 divisors (see below), whose sum is σ = 122728448. Its totient is φ = 114728400.

The previous prime is 118706983. The next prime is 118706993. The reversal of 118706989 is 989607811.

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 118706989 - 2³ = 118706981 is a prime.

It is a super-2 number, since 2×118706989² = 28182698474892242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118706981) 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, 5037 + ... + 16210.

It is an arithmetic number, because the mean of its divisors is an integer number (15341056).

Almost surely, 2^118706989 is an apocalyptic number.

It is an amenable number.

118706989 is a deficient number, since it is larger than the sum of its proper divisors (4021459).

118706989 is a wasteful number, since it uses less digits than its factorization.

118706989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 118706989 is about 10895.2737000958. The cubic root of 118706989 is about 491.4644361195.

The spelling of 118706989 in words is "one hundred eighteen million, seven hundred six thousand, nine hundred eighty-nine".