1324122409 has 2 divisors, whose sum is σ = 1324122410. Its totient is φ = 1324122408.

The previous prime is 1324122389. The next prime is 1324122413. The reversal of 1324122409 is 9042214231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808151184 + 515971225 = 28428^2 + 22715^2 .

It is an emirp because it is prime and its reverse (9042214231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1324122409 - 2¹⁷ = 1323991337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1324152409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662061204 + 662061205.

It is an arithmetic number, because the mean of its divisors is an integer number (662061205).

Almost surely, 2^1324122409 is an apocalyptic number.

It is an amenable number.

1324122409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324122409 is an equidigital number, since it uses as much as digits as its factorization.

1324122409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1324122409 is about 36388.4928102278. The cubic root of 1324122409 is about 1098.1020740581.

The spelling of 1324122409 in words is "one billion, three hundred twenty-four million, one hundred twenty-two thousand, four hundred nine".