1120330643 has 4 divisors (see below), whose sum is σ = 1146384888. Its totient is φ = 1094276400.

The previous prime is 1120330633. The next prime is 1120330657. The reversal of 1120330643 is 3460330211.

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 1120330643 - 2²⁴ = 1103553427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120330633) 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, 13027058 + ... + 13027143.

It is an arithmetic number, because the mean of its divisors is an integer number (286596222).

Almost surely, 2^1120330643 is an apocalyptic number.

1120330643 is a deficient number, since it is larger than the sum of its proper divisors (26054245).

1120330643 is an equidigital number, since it uses as much as digits as its factorization.

1120330643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26054244.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1120330643 is about 33471.3406214929. The cubic root of 1120330643 is about 1038.6010044718.

Adding to 1120330643 its reverse (3460330211), we get a palindrome (4580660854).

The spelling of 1120330643 in words is "one billion, one hundred twenty million, three hundred thirty thousand, six hundred forty-three".