1120453042 has 4 divisors (see below), whose sum is σ = 1680679566. Its totient is φ = 560226520.

The previous prime is 1120452997. The next prime is 1120453049. The reversal of 1120453042 is 2403540211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2403540211 = 48397 ⋅49663.

It can be written as a sum of positive squares in only one way, i.e., 1103634841 + 16818201 = 33221^2 + 4101^2 .

It is not an unprimeable number, because it can be changed into a prime (1120453049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280113259 + ... + 280113262.

Almost surely, 2^1120453042 is an apocalyptic number.

1120453042 is a deficient number, since it is larger than the sum of its proper divisors (560226524).

1120453042 is an equidigital number, since it uses as much as digits as its factorization.

1120453042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560226523.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1120453042 is about 33473.1689865181. The cubic root of 1120453042 is about 1038.6388263701.

Adding to 1120453042 its reverse (2403540211), we get a palindrome (3523993253).

It can be divided in two parts, 11204 and 53042, that added together give a palindrome (64246).

The spelling of 1120453042 in words is "one billion, one hundred twenty million, four hundred fifty-three thousand, forty-two".