1024203421 has 2 divisors, whose sum is σ = 1024203422. Its totient is φ = 1024203420.

The previous prime is 1024203419. The next prime is 1024203431. The reversal of 1024203421 is 1243024201.

1024203421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934219225 + 89984196 = 30565^2 + 9486^2 .

It is an emirp because it is prime and its reverse (1243024201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1024203421 - 2¹ = 1024203419 is a prime.

Together with 1024203419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024203431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512101710 + 512101711.

It is an arithmetic number, because the mean of its divisors is an integer number (512101711).

Almost surely, 2^1024203421 is an apocalyptic number.

It is an amenable number.

1024203421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024203421 is an equidigital number, since it uses as much as digits as its factorization.

1024203421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1024203421 is about 32003.1782952881. The cubic root of 1024203421 is about 1008.0035788301.

Adding to 1024203421 its reverse (1243024201), we get a palindrome (2267227622).

The spelling of 1024203421 in words is "one billion, twenty-four million, two hundred three thousand, four hundred twenty-one".