1132805879 has 2 divisors, whose sum is σ = 1132805880. Its totient is φ = 1132805878.

The previous prime is 1132805873. The next prime is 1132805899. The reversal of 1132805879 is 9785082311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132805879 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 (1132805873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566402939 + 566402940.

It is an arithmetic number, because the mean of its divisors is an integer number (566402940).

Almost surely, 2^1132805879 is an apocalyptic number.

1132805879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132805879 is an equidigital number, since it uses as much as digits as its factorization.

1132805879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1132805879 is about 33657.1816853402. The cubic root of 1132805879 is about 1042.4418334819.

The spelling of 1132805879 in words is "one billion, one hundred thirty-two million, eight hundred five thousand, eight hundred seventy-nine".