126430168129 has 2 divisors, whose sum is σ = 126430168130. Its totient is φ = 126430168128.

The previous prime is 126430168069. The next prime is 126430168133. The reversal of 126430168129 is 921861034621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101600287504 + 24829880625 = 318748^2 + 157575^2 .

It is an emirp because it is prime and its reverse (921861034621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126430168129 - 2⁷ = 126430168001 is a prime.

It is not a weakly prime, because it can be changed into another prime (126430168729) 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, 63215084064 + 63215084065.

It is an arithmetic number, because the mean of its divisors is an integer number (63215084065).

Almost surely, 2^126430168129 is an apocalyptic number.

It is an amenable number.

126430168129 is a deficient number, since it is larger than the sum of its proper divisors (1).

126430168129 is an equidigital number, since it uses as much as digits as its factorization.

126430168129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 126430168129 in words is "one hundred twenty-six billion, four hundred thirty million, one hundred sixty-eight thousand, one hundred twenty-nine".