1120243303 has 4 divisors (see below), whose sum is σ = 1121112328. Its totient is φ = 1119374280.

The previous prime is 1120243301. The next prime is 1120243321. The reversal of 1120243303 is 3033420211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120243303 - 2¹ = 1120243301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120243301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432576 + ... + 435157.

It is an arithmetic number, because the mean of its divisors is an integer number (280278082).

Almost surely, 2^1120243303 is an apocalyptic number.

1120243303 is a deficient number, since it is larger than the sum of its proper divisors (869025).

1120243303 is an equidigital number, since it uses as much as digits as its factorization.

1120243303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869024.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1120243303 is about 33470.0358977997. The cubic root of 1120243303 is about 1038.5740142942.

Adding to 1120243303 its reverse (3033420211), we get a palindrome (4153663514).

The spelling of 1120243303 in words is "one billion, one hundred twenty million, two hundred forty-three thousand, three hundred three".