1021332404 has 12 divisors (see below), whose sum is σ = 1787720928. Its totient is φ = 510555000.

The previous prime is 1021332379. The next prime is 1021332413. The reversal of 1021332404 is 4042331201.

1021332404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5072 + ... + 45479.

It is an arithmetic number, because the mean of its divisors is an integer number (148976744).

Almost surely, 2^1021332404 is an apocalyptic number.

It is an amenable number.

1021332404 is a deficient number, since it is larger than the sum of its proper divisors (766388524).

1021332404 is a wasteful number, since it uses less digits than its factorization.

1021332404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55606 (or 55604 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1021332404 is about 31958.2916314374. The cubic root of 1021332404 is about 1007.0608286916.

Adding to 1021332404 its reverse (4042331201), we get a palindrome (5063663605).

The spelling of 1021332404 in words is "one billion, twenty-one million, three hundred thirty-two thousand, four hundred four".