118430955 has 24 divisors (see below), whose sum is σ = 205649808. Its totient is φ = 63049536.

The previous prime is 118430947. The next prime is 118430999. The reversal of 118430955 is 559034811.

It is not a de Polignac number, because 118430955 - 2³ = 118430947 is a prime.

It is a super-4 number, since 4×118430955⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26889 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (8568742).

Almost surely, 2^118430955 is an apocalyptic number.

118430955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118430955 is a deficient number, since it is larger than the sum of its proper divisors (87218853).

118430955 is a wasteful number, since it uses less digits than its factorization.

118430955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 118430955 is about 10882.5987245694. The cubic root of 118430955 is about 491.0831999798.

The spelling of 118430955 in words is "one hundred eighteen million, four hundred thirty thousand, nine hundred fifty-five".