126308729303 has 2 divisors, whose sum is σ = 126308729304. Its totient is φ = 126308729302.

The previous prime is 126308729297. The next prime is 126308729311. The reversal of 126308729303 is 303927803621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126308729303 - 2²² = 126304534999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126308729333) 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, 63154364651 + 63154364652.

It is an arithmetic number, because the mean of its divisors is an integer number (63154364652).

Almost surely, 2^126308729303 is an apocalyptic number.

126308729303 is a deficient number, since it is larger than the sum of its proper divisors (1).

126308729303 is an equidigital number, since it uses as much as digits as its factorization.

126308729303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 126308729303 in words is "one hundred twenty-six billion, three hundred eight million, seven hundred twenty-nine thousand, three hundred three".