1321466800 has 30 divisors (see below), whose sum is σ = 3174824948. Its totient is φ = 528586560.

The previous prime is 1321466789. The next prime is 1321466801. The reversal of 1321466800 is 86641231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1321466801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1651434 + ... + 1652233.

Almost surely, 2^1321466800 is an apocalyptic number.

1321466800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321466800 is an abundant number, since it is smaller than the sum of its proper divisors (1853358148).

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

1321466800 is a wasteful number, since it uses less digits than its factorization.

1321466800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303685 (or 3303674 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1321466800 is about 36351.9848151377. The cubic root of 1321466800 is about 1097.3674789788.

The spelling of 1321466800 in words is "one billion, three hundred twenty-one million, four hundred sixty-six thousand, eight hundred".