118388955 has 8 divisors (see below), whose sum is σ = 189422352. Its totient is φ = 63140768.

The previous prime is 118388951. The next prime is 118388971. The reversal of 118388955 is 559883811.

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 118388955 - 2² = 118388951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118388951) 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, 3946284 + ... + 3946313.

It is an arithmetic number, because the mean of its divisors is an integer number (23677794).

Almost surely, 2^118388955 is an apocalyptic number.

118388955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118388955 is a deficient number, since it is larger than the sum of its proper divisors (71033397).

118388955 is an equidigital number, since it uses as much as digits as its factorization.

118388955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892605.

The product of its digits is 345600, while the sum is 48.

The square root of 118388955 is about 10880.6688673077. The cubic root of 118388955 is about 491.0251410231.

The spelling of 118388955 in words is "one hundred eighteen million, three hundred eighty-eight thousand, nine hundred fifty-five".