1299569053 has 2 divisors, whose sum is σ = 1299569054. Its totient is φ = 1299569052.

The previous prime is 1299569027. The next prime is 1299569077. The reversal of 1299569053 is 3509659921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821796889 + 477772164 = 28667^2 + 21858^2 .

It is an emirp because it is prime and its reverse (3509659921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1299569053 - 2⁵ = 1299569021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1299568988 and 1299569006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299569003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649784526 + 649784527.

It is an arithmetic number, because the mean of its divisors is an integer number (649784527).

Almost surely, 2^1299569053 is an apocalyptic number.

It is an amenable number.

1299569053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299569053 is an equidigital number, since it uses as much as digits as its factorization.

1299569053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 1299569053 is about 36049.5360996504. The cubic root of 1299569053 is about 1091.2722716586.

The spelling of 1299569053 in words is "one billion, two hundred ninety-nine million, five hundred sixty-nine thousand, fifty-three".