1120443123 has 16 divisors (see below), whose sum is σ = 1585008000. Its totient is φ = 701598336.

The previous prime is 1120443113. The next prime is 1120443133. The reversal of 1120443123 is 3213440211.

It is an interprime number because it is at equal distance from previous prime (1120443113) and next prime (1120443133).

It is not a de Polignac number, because 1120443123 - 2⁹ = 1120442611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120443123.

It is not an unprimeable number, because it can be changed into a prime (1120443113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436 + ... + 47462.

It is an arithmetic number, because the mean of its divisors is an integer number (99063000).

Almost surely, 2^1120443123 is an apocalyptic number.

1120443123 is a deficient number, since it is larger than the sum of its proper divisors (464564877).

1120443123 is a wasteful number, since it uses less digits than its factorization.

1120443123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44546.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1120443123 is about 33473.0208227462. The cubic root of 1120443123 is about 1038.6357614525.

Adding to 1120443123 its reverse (3213440211), we get a palindrome (4333883334).

The spelling of 1120443123 in words is "one billion, one hundred twenty million, four hundred forty-three thousand, one hundred twenty-three".