126147503 has 2 divisors, whose sum is σ = 126147504. Its totient is φ = 126147502.

The previous prime is 126147491. The next prime is 126147521. The reversal of 126147503 is 305741621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126147503 - 2²⁰ = 125098927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126147523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63073751 + 63073752.

It is an arithmetic number, because the mean of its divisors is an integer number (63073752).

Almost surely, 2^126147503 is an apocalyptic number.

126147503 is a deficient number, since it is larger than the sum of its proper divisors (1).

126147503 is an equidigital number, since it uses as much as digits as its factorization.

126147503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 126147503 is about 11231.5405443777. The cubic root of 126147503 is about 501.5253459077.

The spelling of 126147503 in words is "one hundred twenty-six million, one hundred forty-seven thousand, five hundred three".