1442040503 has 2 divisors, whose sum is σ = 1442040504. Its totient is φ = 1442040502.

The previous prime is 1442040493. The next prime is 1442040541. The reversal of 1442040503 is 3050402441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3050402441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442040503 - 2⁸ = 1442040247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442040563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721020251 + 721020252.

It is an arithmetic number, because the mean of its divisors is an integer number (721020252).

Almost surely, 2^1442040503 is an apocalyptic number.

1442040503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442040503 is an equidigital number, since it uses as much as digits as its factorization.

1442040503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1442040503 is about 37974.2083920126. The cubic root of 1442040503 is about 1129.7763681503.

Adding to 1442040503 its reverse (3050402441), we get a palindrome (4492442944).

The spelling of 1442040503 in words is "one billion, four hundred forty-two million, forty thousand, five hundred three".