118831243 has 8 divisors (see below), whose sum is σ = 121985136. Its totient is φ = 115689600.

The previous prime is 118831217. The next prime is 118831253. The reversal of 118831243 is 342138811.

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 118831243 - 2⁵ = 118831211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118831213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18580 + ... + 24142.

It is an arithmetic number, because the mean of its divisors is an integer number (15248142).

Almost surely, 2^118831243 is an apocalyptic number.

118831243 is a deficient number, since it is larger than the sum of its proper divisors (3153893).

118831243 is an equidigital number, since it uses as much as digits as its factorization.

118831243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125.

The product of its digits is 4608, while the sum is 31.

The square root of 118831243 is about 10900.9744059878. The cubic root of 118831243 is about 491.6358529509.

The spelling of 118831243 in words is "one hundred eighteen million, eight hundred thirty-one thousand, two hundred forty-three".