1324232009 has 4 divisors (see below), whose sum is σ = 1327568004. Its totient is φ = 1320896016.

The previous prime is 1324231943. The next prime is 1324232027. The reversal of 1324232009 is 9002324231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 916393984 + 407838025 = 30272^2 + 20195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324232009 - 2¹² = 1324227913 is a prime.

It is a super-3 number, since 3×1324232009³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324232509) 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 in 3 ways as a sum of consecutive naturals, for example, 1667402 + ... + 1668195.

It is an arithmetic number, because the mean of its divisors is an integer number (331892001).

Almost surely, 2^1324232009 is an apocalyptic number.

It is an amenable number.

1324232009 is a deficient number, since it is larger than the sum of its proper divisors (3335995).

1324232009 is an equidigital number, since it uses as much as digits as its factorization.

1324232009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335994.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1324232009 is about 36389.9987496565. The cubic root of 1324232009 is about 1098.1323705187.

The spelling of 1324232009 in words is "one billion, three hundred twenty-four million, two hundred thirty-two thousand, nine".