43112042 has 4 divisors (see below), whose sum is σ = 64668066. Its totient is φ = 21556020.

The previous prime is 43111987. The next prime is 43112053. The reversal of 43112042 is 24021134.

43112042 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 can be written as a sum of positive squares in only one way, i.e., 36857041 + 6255001 = 6071^2 + 2501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43112042.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10778009 + ... + 10778012.

Almost surely, 2^43112042 is an apocalyptic number.

43112042 is a deficient number, since it is larger than the sum of its proper divisors (21556024).

43112042 is a wasteful number, since it uses less digits than its factorization.

43112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556023.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43112042 is about 6565.9760888995. The cubic root of 43112042 is about 350.6438271945.

Adding to 43112042 its reverse (24021134), we get a palindrome (67133176).

The spelling of 43112042 in words is "forty-three million, one hundred twelve thousand, forty-two".