118989443 has 4 divisors (see below), whose sum is σ = 125988840. Its totient is φ = 111990048.

The previous prime is 118989433. The next prime is 118989491. The reversal of 118989443 is 344989811.

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

It is a cyclic number.

It is not a de Polignac number, because 118989443 - 2⁴ = 118989427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118989433) 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 3 ways as a sum of consecutive naturals, for example, 3499673 + ... + 3499706.

It is an arithmetic number, because the mean of its divisors is an integer number (31497210).

Almost surely, 2^118989443 is an apocalyptic number.

118989443 is a deficient number, since it is larger than the sum of its proper divisors (6999397).

118989443 is an equidigital number, since it uses as much as digits as its factorization.

118989443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999396.

The product of its digits is 248832, while the sum is 47.

The square root of 118989443 is about 10908.2282246018. The cubic root of 118989443 is about 491.8539277623.

The spelling of 118989443 in words is "one hundred eighteen million, nine hundred eighty-nine thousand, four hundred forty-three".