1130321042 has 4 divisors (see below), whose sum is σ = 1695481566. Its totient is φ = 565160520.

The previous prime is 1130321009. The next prime is 1130321057. The reversal of 1130321042 is 2401230311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401230311 = 11213 ⋅214147.

It can be written as a sum of positive squares in only one way, i.e., 672831721 + 457489321 = 25939^2 + 21389^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1130321042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282580259 + ... + 282580262.

Almost surely, 2^1130321042 is an apocalyptic number.

1130321042 is a deficient number, since it is larger than the sum of its proper divisors (565160524).

1130321042 is an equidigital number, since it uses as much as digits as its factorization.

1130321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565160523.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1130321042 is about 33620.2475005762. The cubic root of 1130321042 is about 1041.6790683992.

Adding to 1130321042 its reverse (2401230311), we get a palindrome (3531551353).

The spelling of 1130321042 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, forty-two".