1130561879 has 2 divisors, whose sum is σ = 1130561880. Its totient is φ = 1130561878.

The previous prime is 1130561851. The next prime is 1130561903. The reversal of 1130561879 is 9781650311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9781650311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130561879 - 2⁸ = 1130561623 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 (1130531879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565280939 + 565280940.

It is an arithmetic number, because the mean of its divisors is an integer number (565280940).

Almost surely, 2^1130561879 is an apocalyptic number.

1130561879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130561879 is an equidigital number, since it uses as much as digits as its factorization.

1130561879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1130561879 is about 33623.8290353731. The cubic root of 1130561879 is about 1041.7530465100.

The spelling of 1130561879 in words is "one billion, one hundred thirty million, five hundred sixty-one thousand, eight hundred seventy-nine".