1021404304 has 20 divisors (see below), whose sum is σ = 1980428800. Its totient is φ = 510325920.

The previous prime is 1021404281. The next prime is 1021404383. The reversal of 1021404304 is 4034041201.

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 3 ways as a sum of consecutive naturals, for example, 432 + ... + 45199.

It is an arithmetic number, because the mean of its divisors is an integer number (99021440).

Almost surely, 2^1021404304 is an apocalyptic number.

It is an amenable number.

1021404304 is a deficient number, since it is larger than the sum of its proper divisors (959024496).

1021404304 is a wasteful number, since it uses less digits than its factorization.

1021404304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47038 (or 47032 counting only the distinct ones).

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

The square root of 1021404304 is about 31959.4165153246. The cubic root of 1021404304 is about 1007.0844599058.

Adding to 1021404304 its reverse (4034041201), we get a palindrome (5055445505).

The spelling of 1021404304 in words is "one billion, twenty-one million, four hundred four thousand, three hundred four".