1315127329 has 2 divisors, whose sum is σ = 1315127330. Its totient is φ = 1315127328.

The previous prime is 1315127323. The next prime is 1315127369. The reversal of 1315127329 is 9237215131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201662225 + 113465104 = 34665^2 + 10652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315127329 - 2¹⁹ = 1314603041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315127294 and 1315127303.

It is not a weakly prime, because it can be changed into another prime (1315127323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657563664 + 657563665.

It is an arithmetic number, because the mean of its divisors is an integer number (657563665).

Almost surely, 2^1315127329 is an apocalyptic number.

It is an amenable number.

1315127329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315127329 is an equidigital number, since it uses as much as digits as its factorization.

1315127329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 1315127329 is about 36264.6843223542. The cubic root of 1315127329 is about 1095.6098655056.

The spelling of 1315127329 in words is "one billion, three hundred fifteen million, one hundred twenty-seven thousand, three hundred twenty-nine".