120143042 has 32 divisors (see below), whose sum is σ = 198451200. Its totient is φ = 54334800.

The previous prime is 120143041. The next prime is 120143071. The reversal of 120143042 is 240341021.

It is a self number, because there is not a number n which added to its sum of digits gives 120143042.

It is not an unprimeable number, because it can be changed into a prime (120143041) 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 15 ways as a sum of consecutive naturals, for example, 92417 + ... + 93707.

It is an arithmetic number, because the mean of its divisors is an integer number (6201600).

Almost surely, 2^120143042 is an apocalyptic number.

120143042 is a deficient number, since it is larger than the sum of its proper divisors (78308158).

120143042 is a wasteful number, since it uses less digits than its factorization.

120143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

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

The square root of 120143042 is about 10960.9781497821. The cubic root of 120143042 is about 493.4383214385.

Adding to 120143042 its reverse (240341021), we get a palindrome (360484063).

The spelling of 120143042 in words is "one hundred twenty million, one hundred forty-three thousand, forty-two".