1324421200 has 60 divisors (see below), whose sum is σ = 3186118620. Its totient is φ = 529070080.

The previous prime is 1324421183. The next prime is 1324421207. The reversal of 1324421200 is 21244231.

It can be written as a sum of positive squares in 6 ways, for example, as 229340736 + 1095080464 = 15144^2 + 33092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324421207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389106 + ... + 392494.

It is an arithmetic number, because the mean of its divisors is an integer number (53101977).

Almost surely, 2^1324421200 is an apocalyptic number.

1324421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324421200 is an abundant number, since it is smaller than the sum of its proper divisors (1861697420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1324421200 is a wasteful number, since it uses less digits than its factorization.

1324421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4373 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1324421200 is about 36392.5981485247. The cubic root of 1324421200 is about 1098.1846641920.

Adding to 1324421200 its reverse (21244231), we get a palindrome (1345665431).

The spelling of 1324421200 in words is "one billion, three hundred twenty-four million, four hundred twenty-one thousand, two hundred".