118418873 has 4 divisors (see below), whose sum is σ = 120360228. Its totient is φ = 116477520.

The previous prime is 118418869. The next prime is 118418879. The reversal of 118418873 is 378814811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1951609 + 116467264 = 1397^2 + 10792^2 .

It is a cyclic number.

It is not a de Polignac number, because 118418873 - 2² = 118418869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118418873.

It is not an unprimeable number, because it can be changed into a prime (118418879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970586 + ... + 970707.

It is an arithmetic number, because the mean of its divisors is an integer number (30090057).

Almost surely, 2^118418873 is an apocalyptic number.

It is an amenable number.

118418873 is a deficient number, since it is larger than the sum of its proper divisors (1941355).

118418873 is an equidigital number, since it uses as much as digits as its factorization.

118418873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941354.

The product of its digits is 43008, while the sum is 41.

The square root of 118418873 is about 10882.0436040295. The cubic root of 118418873 is about 491.0664997598.

The spelling of 118418873 in words is "one hundred eighteen million, four hundred eighteen thousand, eight hundred seventy-three".