126308728963 has 2 divisors, whose sum is σ = 126308728964. Its totient is φ = 126308728962.

The previous prime is 126308728921. The next prime is 126308729039. The reversal of 126308728963 is 369827803621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126308728963 is a prime.

It is not a weakly prime, because it can be changed into another prime (126308720963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63154364481 + 63154364482.

It is an arithmetic number, because the mean of its divisors is an integer number (63154364482).

Almost surely, 2^126308728963 is an apocalyptic number.

126308728963 is a deficient number, since it is larger than the sum of its proper divisors (1).

126308728963 is an equidigital number, since it uses as much as digits as its factorization.

126308728963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 126308728963 in words is "one hundred twenty-six billion, three hundred eight million, seven hundred twenty-eight thousand, nine hundred sixty-three".