1120320443 has 8 divisors (see below), whose sum is σ = 1229954160. Its totient is φ = 1011984480.

The previous prime is 1120320437. The next prime is 1120320457. The reversal of 1120320443 is 3440230211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120320443 - 2¹⁶ = 1120254907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120320433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322628 + ... + 326081.

It is an arithmetic number, because the mean of its divisors is an integer number (153744270).

Almost surely, 2^1120320443 is an apocalyptic number.

1120320443 is a deficient number, since it is larger than the sum of its proper divisors (109633717).

1120320443 is a wasteful number, since it uses less digits than its factorization.

1120320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648877.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1120320443 is about 33471.1882519877. The cubic root of 1120320443 is about 1038.5978524968.

Adding to 1120320443 its reverse (3440230211), we get a palindrome (4560550654).

The spelling of 1120320443 in words is "one billion, one hundred twenty million, three hundred twenty thousand, four hundred forty-three".