1120404442 has 4 divisors (see below), whose sum is σ = 1680606666. Its totient is φ = 560202220.

The previous prime is 1120404433. The next prime is 1120404463. The reversal of 1120404442 is 2444040211.

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., 840478081 + 279926361 = 28991^2 + 16731^2 .

It is a super-2 number, since 2×1120404442² = 2510612227306662728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280101109 + ... + 280101112.

Almost surely, 2^1120404442 is an apocalyptic number.

1120404442 is a deficient number, since it is larger than the sum of its proper divisors (560202224).

1120404442 is an equidigital number, since it uses as much as digits as its factorization.

1120404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560202223.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1120404442 is about 33472.4430240758. The cubic root of 1120404442 is about 1038.6238090587.

Adding to 1120404442 its reverse (2444040211), we get a palindrome (3564444653).

The spelling of 1120404442 in words is "one billion, one hundred twenty million, four hundred four thousand, four hundred forty-two".