1120255042 has 4 divisors (see below), whose sum is σ = 1680382566. Its totient is φ = 560127520.

The previous prime is 1120254983. The next prime is 1120255061. The reversal of 1120255042 is 2405520211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405520211 = 59 ⋅40771529.

It can be written as a sum of positive squares in only one way, i.e., 909685921 + 210569121 = 30161^2 + 14511^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280063759 + ... + 280063762.

Almost surely, 2^1120255042 is an apocalyptic number.

1120255042 is a deficient number, since it is larger than the sum of its proper divisors (560127524).

1120255042 is an equidigital number, since it uses as much as digits as its factorization.

1120255042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560127523.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1120255042 is about 33470.2112631516. The cubic root of 1120255042 is about 1038.5776420114.

Adding to 1120255042 its reverse (2405520211), we get a palindrome (3525775253).

The spelling of 1120255042 in words is "one billion, one hundred twenty million, two hundred fifty-five thousand, forty-two".