1042242503 has 2 divisors, whose sum is σ = 1042242504. Its totient is φ = 1042242502.

The previous prime is 1042242499. The next prime is 1042242521. The reversal of 1042242503 is 3052422401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042242503 - 2² = 1042242499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042242563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521121251 + 521121252.

It is an arithmetic number, because the mean of its divisors is an integer number (521121252).

Almost surely, 2^1042242503 is an apocalyptic number.

1042242503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042242503 is an equidigital number, since it uses as much as digits as its factorization.

1042242503 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 1042242503 is about 32283.7808039889. The cubic root of 1042242503 is about 1013.8870903408.

Adding to 1042242503 its reverse (3052422401), we get a palindrome (4094664904).

It can be divided in two parts, 10422 and 42503, that added together give a palindrome (52925).

The spelling of 1042242503 in words is "one billion, forty-two million, two hundred forty-two thousand, five hundred three".