120042043 has 24 divisors (see below), whose sum is σ = 136170720. Its totient is φ = 105705600.

The previous prime is 120042017. The next prime is 120042079. The reversal of 120042043 is 340240021.

It is not a de Polignac number, because 120042043 - 2⁵ = 120042011 is a prime.

It is a super-2 number, since 2×120042043² = 28820184175227698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120042743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 764521 + ... + 764677.

It is an arithmetic number, because the mean of its divisors is an integer number (5673780).

Almost surely, 2^120042043 is an apocalyptic number.

120042043 is a deficient number, since it is larger than the sum of its proper divisors (16128677).

120042043 is a wasteful number, since it uses less digits than its factorization.

120042043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 120042043 is about 10956.3699736728. The cubic root of 120042043 is about 493.3000120035.

Adding to 120042043 its reverse (340240021), we get a palindrome (460282064).

The spelling of 120042043 in words is "one hundred twenty million, forty-two thousand, forty-three".