1039128793 has 4 divisors (see below), whose sum is σ = 1053363508. Its totient is φ = 1024894080.

The previous prime is 1039128751. The next prime is 1039128803. The reversal of 1039128793 is 3978219301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 645820569 + 393308224 = 25413^2 + 19832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039128793 - 2¹³ = 1039120601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039128193) 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, 7117248 + ... + 7117393.

It is an arithmetic number, because the mean of its divisors is an integer number (263340877).

Almost surely, 2^1039128793 is an apocalyptic number.

It is an amenable number.

1039128793 is a deficient number, since it is larger than the sum of its proper divisors (14234715).

1039128793 is an equidigital number, since it uses as much as digits as its factorization.

1039128793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234714.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1039128793 is about 32235.5206720785. The cubic root of 1039128793 is about 1012.8764172335.

The spelling of 1039128793 in words is "one billion, thirty-nine million, one hundred twenty-eight thousand, seven hundred ninety-three".