1324399073 has 2 divisors, whose sum is σ = 1324399074. Its totient is φ = 1324399072.

The previous prime is 1324399051. The next prime is 1324399129. The reversal of 1324399073 is 3709934231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1282499344 + 41899729 = 35812^2 + 6473^2 .

It is an emirp because it is prime and its reverse (3709934231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1324399073 - 2³⁰ = 250657249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1324399073.

It is not a weakly prime, because it can be changed into another prime (1324399273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662199536 + 662199537.

It is an arithmetic number, because the mean of its divisors is an integer number (662199537).

Almost surely, 2^1324399073 is an apocalyptic number.

It is an amenable number.

1324399073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324399073 is an equidigital number, since it uses as much as digits as its factorization.

1324399073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 1324399073 is about 36392.2941431287. The cubic root of 1324399073 is about 1098.1785483965.

The spelling of 1324399073 in words is "one billion, three hundred twenty-four million, three hundred ninety-nine thousand, seventy-three".