1004201421 has 8 divisors (see below), whose sum is σ = 1339119840. Its totient is φ = 669375312.

The previous prime is 1004201377. The next prime is 1004201431. The reversal of 1004201421 is 1241024001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004201421 - 2¹¹ = 1004199373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004201421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004201431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8470 + ... + 45608.

It is an arithmetic number, because the mean of its divisors is an integer number (167389980).

Almost surely, 2^1004201421 is an apocalyptic number.

It is an amenable number.

1004201421 is a deficient number, since it is larger than the sum of its proper divisors (334918419).

1004201421 is an equidigital number, since it uses as much as digits as its factorization.

1004201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46155.

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

The square root of 1004201421 is about 31689.1372713111. The cubic root of 1004201421 is about 1001.3985169054.

Adding to 1004201421 its reverse (1241024001), we get a palindrome (2245225422).

The spelling of 1004201421 in words is "one billion, four million, two hundred one thousand, four hundred twenty-one".