1299171119 has 2 divisors, whose sum is σ = 1299171120. Its totient is φ = 1299171118.

The previous prime is 1299171101. The next prime is 1299171143. The reversal of 1299171119 is 9111719921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299171119 is a prime.

It is a super-2 number, since 2×1299171119² = 3375691192887424322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299171179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649585559 + 649585560.

It is an arithmetic number, because the mean of its divisors is an integer number (649585560).

Almost surely, 2^1299171119 is an apocalyptic number.

1299171119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299171119 is an equidigital number, since it uses as much as digits as its factorization.

1299171119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 41.

The square root of 1299171119 is about 36044.0164104945. The cubic root of 1299171119 is about 1091.1608760976.

The spelling of 1299171119 in words is "one billion, two hundred ninety-nine million, one hundred seventy-one thousand, one hundred nineteen".