1421304000 has 112 divisors (see below), whose sum is σ = 4693225056. Its totient is φ = 379008000.

The previous prime is 1421303993. The next prime is 1421304011. The reversal of 1421304000 is 4031241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5611 + ... + 53610.

Almost surely, 2^1421304000 is an apocalyptic number.

1421304000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346612528).

1421304000 is an abundant number, since it is smaller than the sum of its proper divisors (3271921056).

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

1421304000 is an equidigital number, since it uses as much as digits as its factorization.

1421304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59251 (or 59231 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1421304000 is about 37700.1856759353. The cubic root of 1421304000 is about 1124.3348166484.

Adding to 1421304000 its reverse (4031241), we get a palindrome (1425335241).

The spelling of 1421304000 in words is "one billion, four hundred twenty-one million, three hundred four thousand".