1003144024021 has 2 divisors, whose sum is σ = 1003144024022. Its totient is φ = 1003144024020.

The previous prime is 1003144024019. The next prime is 1003144024033. The reversal of 1003144024021 is 1204204413001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977802567921 + 25341456100 = 988839^2 + 159190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003144024021 - 2¹ = 1003144024019 is a prime.

Together with 1003144024019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1003144023983 and 1003144024001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003144022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501572012010 + 501572012011.

It is an arithmetic number, because the mean of its divisors is an integer number (501572012011).

Almost surely, 2^{1003144024021} is an apocalyptic number.

It is an amenable number.

1003144024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003144024021 is an equidigital number, since it uses as much as digits as its factorization.

1003144024021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1003144024021 its reverse (1204204413001), we get a palindrome (2207348437022).

The spelling of 1003144024021 in words is "one trillion, three billion, one hundred forty-four million, twenty-four thousand, twenty-one".