1130809797 has 12 divisors (see below), whose sum is σ = 1759037644. Its totient is φ = 695882880.

The previous prime is 1130809781. The next prime is 1130809861. The reversal of 1130809797 is 7979080311.

It can be written as a sum of positive squares in 2 ways, for example, as 421439841 + 709369956 = 20529^2 + 26634^2 .

It is not a de Polignac number, because 1130809797 - 2⁴ = 1130809781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130809717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4832404 + ... + 4832637.

Almost surely, 2^1130809797 is an apocalyptic number.

It is an amenable number.

1130809797 is a deficient number, since it is larger than the sum of its proper divisors (628227847).

1130809797 is a wasteful number, since it uses less digits than its factorization.

1130809797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665060 (or 9665057 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 1130809797 is about 33627.5154746823. The cubic root of 1130809797 is about 1041.8291887246.

The spelling of 1130809797 in words is "one billion, one hundred thirty million, eight hundred nine thousand, seven hundred ninety-seven".