120402342 has 16 divisors (see below), whose sum is σ = 267560880. Its totient is φ = 40134096.

The previous prime is 120402341. The next prime is 120402353. The reversal of 120402342 is 243204021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120402341) 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, 1114783 + ... + 1114890.

It is an arithmetic number, because the mean of its divisors is an integer number (16722555).

Almost surely, 2^120402342 is an apocalyptic number.

120402342 is an abundant number, since it is smaller than the sum of its proper divisors (147158538).

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

120402342 is a wasteful number, since it uses less digits than its factorization.

120402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229684 (or 2229678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120402342 is about 10972.8000984252. The cubic root of 120402342 is about 493.7930558619.

Adding to 120402342 its reverse (243204021), we get a palindrome (363606363).

The spelling of 120402342 in words is "one hundred twenty million, four hundred two thousand, three hundred forty-two".