120402042 has 16 divisors (see below), whose sum is σ = 240954912. Its totient is φ = 40108880.

The previous prime is 120402001. The next prime is 120402043. The reversal of 120402042 is 240204021.

It is not an unprimeable number, because it can be changed into a prime (120402043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917 + ... + 16607.

It is an arithmetic number, because the mean of its divisors is an integer number (15059682).

Almost surely, 2^120402042 is an apocalyptic number.

120402042 is an abundant number, since it is smaller than the sum of its proper divisors (120552870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120402042 is a wasteful number, since it uses less digits than its factorization.

120402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12573.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 120402042 is about 10972.7864282506. The cubic root of 120402042 is about 493.7926457424.

Adding to 120402042 its reverse (240204021), we get a palindrome (360606063).

The spelling of 120402042 in words is "one hundred twenty million, four hundred two thousand, forty-two".