1142403503 has 2 divisors, whose sum is σ = 1142403504. Its totient is φ = 1142403502.

The previous prime is 1142403469. The next prime is 1142403511. The reversal of 1142403503 is 3053042411.

It is a strong prime.

It is an emirp because it is prime and its reverse (3053042411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142403503 - 2²⁶ = 1075294639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142403523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571201751 + 571201752.

It is an arithmetic number, because the mean of its divisors is an integer number (571201752).

Almost surely, 2^1142403503 is an apocalyptic number.

1142403503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142403503 is an equidigital number, since it uses as much as digits as its factorization.

1142403503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1142403503 is about 33799.4600992383. The cubic root of 1142403503 is about 1045.3775649322.

Adding to 1142403503 its reverse (3053042411), we get a palindrome (4195445914).

The spelling of 1142403503 in words is "one billion, one hundred forty-two million, four hundred three thousand, five hundred three".