1299011179 has 2 divisors, whose sum is σ = 1299011180. Its totient is φ = 1299011178.

The previous prime is 1299011143. The next prime is 1299011267. The reversal of 1299011179 is 9711109921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299011179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1299011279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649505589 + 649505590.

It is an arithmetic number, because the mean of its divisors is an integer number (649505590).

Almost surely, 2^1299011179 is an apocalyptic number.

1299011179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299011179 is an equidigital number, since it uses as much as digits as its factorization.

1299011179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 40.

The square root of 1299011179 is about 36041.7976660432. The cubic root of 1299011179 is about 1091.1160969226.

The spelling of 1299011179 in words is "one billion, two hundred ninety-nine million, eleven thousand, one hundred seventy-nine".