1021384204 has 6 divisors (see below), whose sum is σ = 1787422364. Its totient is φ = 510692100.

The previous prime is 1021384201. The next prime is 1021384211. The reversal of 1021384204 is 4024831201.

It is not an unprimeable number, because it can be changed into a prime (1021384201) by changing a digit.

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 as a sum of consecutive naturals, namely, 127673022 + ... + 127673029.

Almost surely, 2^1021384204 is an apocalyptic number.

It is an amenable number.

1021384204 is a deficient number, since it is larger than the sum of its proper divisors (766038160).

1021384204 is a wasteful number, since it uses less digits than its factorization.

1021384204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255346055 (or 255346053 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1021384204 is about 31959.1020524670. The cubic root of 1021384204 is about 1007.0778537949.

The spelling of 1021384204 in words is "one billion, twenty-one million, three hundred eighty-four thousand, two hundred four".