1004214021 has 12 divisors (see below), whose sum is σ = 1422348192. Its totient is φ = 630094528.

The previous prime is 1004214007. The next prime is 1004214037. The reversal of 1004214021 is 1204124001.

It is not a de Polignac number, because 1004214021 - 2⁷ = 1004213893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004214041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578265 + ... + 579998.

It is an arithmetic number, because the mean of its divisors is an integer number (118529016).

Almost surely, 2^1004214021 is an apocalyptic number.

It is an amenable number.

1004214021 is a deficient number, since it is larger than the sum of its proper divisors (418134171).

1004214021 is a wasteful number, since it uses less digits than its factorization.

1004214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158300 (or 1158283 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1004214021 is about 31689.3360769834. The cubic root of 1004214021 is about 1001.4027051649.

Adding to 1004214021 its reverse (1204124001), we get a palindrome (2208338022).

The spelling of 1004214021 in words is "one billion, four million, two hundred fourteen thousand, twenty-one".