1421304004 has 12 divisors (see below), whose sum is σ = 2511431104. Its totient is φ = 703752264.

The previous prime is 1421303993. The next prime is 1421304011. The reversal of 1421304004 is 4004031241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724472 + ... + 1725295.

Almost surely, 2^1421304004 is an apocalyptic number.

It is an amenable number.

1421304004 is a deficient number, since it is larger than the sum of its proper divisors (1090127100).

1421304004 is a wasteful number, since it uses less digits than its factorization.

1421304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449874 (or 3449872 counting only the distinct ones).

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

The square root of 1421304004 is about 37700.1857289855. The cubic root of 1421304004 is about 1124.3348177031.

Adding to 1421304004 its reverse (4004031241), we get a palindrome (5425335245).

The spelling of 1421304004 in words is "one billion, four hundred twenty-one million, three hundred four thousand, four".