1421300304 has 80 divisors (see below), whose sum is σ = 4166519040. Its totient is φ = 463680000.

The previous prime is 1421300299. The next prime is 1421300323. The reversal of 1421300304 is 4030031241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14697 + ... + 55304.

It is an arithmetic number, because the mean of its divisors is an integer number (52081488).

Almost surely, 2^1421300304 is an apocalyptic number.

It is an amenable number.

1421300304 is an abundant number, since it is smaller than the sum of its proper divisors (2745218736).

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

1421300304 is a wasteful number, since it uses less digits than its factorization.

1421300304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70065 (or 70053 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1421300304 is about 37700.1366575773. The cubic root of 1421300304 is about 1124.3338420633. Note that the first 3 decimals are identical.

Adding to 1421300304 its reverse (4030031241), we get a palindrome (5451331545).

The spelling of 1421300304 in words is "one billion, four hundred twenty-one million, three hundred thousand, three hundred four".