43118 has 4 divisors (see below), whose sum is σ = 64680. Its totient is φ = 21558.

The previous prime is 43117. The next prime is 43133. The reversal of 43118 is 81134.

It is a happy number.

43118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 43096 and 43105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10778 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2⁴³¹¹⁸ is an apocalyptic number.

43118 is a deficient number, since it is larger than the sum of its proper divisors (21562).

43118 is a wasteful number, since it uses less digits than its factorization.

43118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561.

The product of its digits is 96, while the sum is 17.

The square root of 43118 is about 207.6487418695. The cubic root of 43118 is about 35.0659979215.

It can be divided in two parts, 43 and 118, that added together give a palindrome (161).

The spelling of 43118 in words is "forty-three thousand, one hundred eighteen".