120440442 has 16 divisors (see below), whose sum is σ = 242615520. Its totient is φ = 39857712.

The previous prime is 120440429. The next prime is 120440447. The reversal of 120440442 is 244044021.

It is not an unprimeable number, because it can be changed into a prime (120440447) 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, 71373 + ... + 73040.

It is an arithmetic number, because the mean of its divisors is an integer number (15163470).

Almost surely, 2^120440442 is an apocalyptic number.

120440442 is an abundant number, since it is smaller than the sum of its proper divisors (122175078).

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

120440442 is a wasteful number, since it uses less digits than its factorization.

120440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144557.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 120440442 is about 10974.5360721991. The cubic root of 120440442 is about 493.8451355003.

Adding to 120440442 its reverse (244044021), we get a palindrome (364484463).

The spelling of 120440442 in words is "one hundred twenty million, four hundred forty thousand, four hundred forty-two".