1120643039 has 2 divisors, whose sum is σ = 1120643040. Its totient is φ = 1120643038.

The previous prime is 1120643023. The next prime is 1120643107. The reversal of 1120643039 is 9303460211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120643039 - 2⁴ = 1120643023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120640039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560321519 + 560321520.

It is an arithmetic number, because the mean of its divisors is an integer number (560321520).

Almost surely, 2^1120643039 is an apocalyptic number.

1120643039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120643039 is an equidigital number, since it uses as much as digits as its factorization.

1120643039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1120643039 is about 33476.0069154014. The cubic root of 1120643039 is about 1038.6975309299.

It can be divided in two parts, 11206 and 43039, that added together give a palindrome (54245).

The spelling of 1120643039 in words is "one billion, one hundred twenty million, six hundred forty-three thousand, thirty-nine".