126395834029 has 2 divisors, whose sum is σ = 126395834030. Its totient is φ = 126395834028.

The previous prime is 126395834027. The next prime is 126395834053. The reversal of 126395834029 is 920438593621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113769940804 + 12625893225 = 337298^2 + 112365^2 .

It is a cyclic number.

It is not a de Polignac number, because 126395834029 - 2¹ = 126395834027 is a prime.

Together with 126395834027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126395834027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63197917014 + 63197917015.

It is an arithmetic number, because the mean of its divisors is an integer number (63197917015).

Almost surely, 2^126395834029 is an apocalyptic number.

It is an amenable number.

126395834029 is a deficient number, since it is larger than the sum of its proper divisors (1).

126395834029 is an equidigital number, since it uses as much as digits as its factorization.

126395834029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 126395834029 in words is "one hundred twenty-six billion, three hundred ninety-five million, eight hundred thirty-four thousand, twenty-nine".