118630043 has 4 divisors (see below), whose sum is σ = 135577200. Its totient is φ = 101682888.

The previous prime is 118630013. The next prime is 118630049. The reversal of 118630043 is 340036811.

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 118630043 - 2¹⁰ = 118629019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118629994 and 118630021.

It is not an unprimeable number, because it can be changed into a prime (118630049) 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, 8473568 + ... + 8473581.

It is an arithmetic number, because the mean of its divisors is an integer number (33894300).

Almost surely, 2^118630043 is an apocalyptic number.

118630043 is a deficient number, since it is larger than the sum of its proper divisors (16947157).

118630043 is an equidigital number, since it uses as much as digits as its factorization.

118630043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947156.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 118630043 is about 10891.7419635245. The cubic root of 118630043 is about 491.3582239057.

Adding to 118630043 its reverse (340036811), we get a palindrome (458666854).

The spelling of 118630043 in words is "one hundred eighteen million, six hundred thirty thousand, forty-three".