126345030503 has 2 divisors, whose sum is σ = 126345030504. Its totient is φ = 126345030502.

The previous prime is 126345030499. The next prime is 126345030517. The reversal of 126345030503 is 305030543621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126345030503 - 2² = 126345030499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126345030503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126345030593) 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, 63172515251 + 63172515252.

It is an arithmetic number, because the mean of its divisors is an integer number (63172515252).

Almost surely, 2^126345030503 is an apocalyptic number.

126345030503 is a deficient number, since it is larger than the sum of its proper divisors (1).

126345030503 is an equidigital number, since it uses as much as digits as its factorization.

126345030503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 126345030503 in words is "one hundred twenty-six billion, three hundred forty-five million, thirty thousand, five hundred three".