118123966 has 4 divisors (see below), whose sum is σ = 177185952. Its totient is φ = 59061982.

The previous prime is 118123961. The next prime is 118123979. The reversal of 118123966 is 669321811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118123961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29530990 + ... + 29530993.

It is an arithmetic number, because the mean of its divisors is an integer number (44296488).

Almost surely, 2^118123966 is an apocalyptic number.

118123966 is a deficient number, since it is larger than the sum of its proper divisors (59061986).

118123966 is an equidigital number, since it uses as much as digits as its factorization.

118123966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59061985.

The product of its digits is 15552, while the sum is 37.

The square root of 118123966 is about 10868.4849910188. The cubic root of 118123966 is about 490.6585148701.

The spelling of 118123966 in words is "one hundred eighteen million, one hundred twenty-three thousand, nine hundred sixty-six".