118338043 has 4 divisors (see below), whose sum is σ = 120004848. Its totient is φ = 116671240.

The previous prime is 118338019. The next prime is 118338047. The reversal of 118338043 is 340833811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340833811 = 4391 ⋅77621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118338043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118337996 and 118338014.

It is not an unprimeable number, because it can be changed into a prime (118338047) 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, 833296 + ... + 833437.

It is an arithmetic number, because the mean of its divisors is an integer number (30001212).

Almost surely, 2^118338043 is an apocalyptic number.

118338043 is a deficient number, since it is larger than the sum of its proper divisors (1666805).

118338043 is an equidigital number, since it uses as much as digits as its factorization.

118338043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666804.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 118338043 is about 10878.3290536736. The cubic root of 118338043 is about 490.9547440946.

The spelling of 118338043 in words is "one hundred eighteen million, three hundred thirty-eight thousand, forty-three".