1120320743 has 4 divisors (see below), whose sum is σ = 1150599720. Its totient is φ = 1090041768.

The previous prime is 1120320737. The next prime is 1120320781. The reversal of 1120320743 is 3470230211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3470230211 = 7 ⋅495747173.

It is a cyclic number.

It is not a de Polignac number, because 1120320743 - 2¹⁴ = 1120304359 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 (1120320713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15139433 + ... + 15139506.

It is an arithmetic number, because the mean of its divisors is an integer number (287649930).

Almost surely, 2^1120320743 is an apocalyptic number.

1120320743 is a deficient number, since it is larger than the sum of its proper divisors (30278977).

1120320743 is an equidigital number, since it uses as much as digits as its factorization.

1120320743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30278976.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1120320743 is about 33471.1927334536. The cubic root of 1120320743 is about 1038.5979452022.

Adding to 1120320743 its reverse (3470230211), we get a palindrome (4590550954).

The spelling of 1120320743 in words is "one billion, one hundred twenty million, three hundred twenty thousand, seven hundred forty-three".