120402442 has 4 divisors (see below), whose sum is σ = 180603666. Its totient is φ = 60201220.

The previous prime is 120402427. The next prime is 120402463. The reversal of 120402442 is 244204021.

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., 120362841 + 39601 = 10971^2 + 199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30100609 + ... + 30100612.

Almost surely, 2^120402442 is an apocalyptic number.

120402442 is a deficient number, since it is larger than the sum of its proper divisors (60201224).

120402442 is an equidigital number, since it uses as much as digits as its factorization.

120402442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60201223.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 120402442 is about 10972.8046551463. The cubic root of 120402442 is about 493.7931925682.

Adding to 120402442 its reverse (244204021), we get a palindrome (364606463).

The spelling of 120402442 in words is "one hundred twenty million, four hundred two thousand, four hundred forty-two".