126342829 has 2 divisors, whose sum is σ = 126342830. Its totient is φ = 126342828.

The previous prime is 126342823. The next prime is 126342857. The reversal of 126342829 is 928243621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102313225 + 24029604 = 10115^2 + 4902^2 .

It is an emirp because it is prime and its reverse (928243621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126342829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126342823) 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, 63171414 + 63171415.

It is an arithmetic number, because the mean of its divisors is an integer number (63171415).

Almost surely, 2^126342829 is an apocalyptic number.

It is an amenable number.

126342829 is a deficient number, since it is larger than the sum of its proper divisors (1).

126342829 is an equidigital number, since it uses as much as digits as its factorization.

126342829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 126342829 is about 11240.2326043548. The cubic root of 126342829 is about 501.7840653172.

The spelling of 126342829 in words is "one hundred twenty-six million, three hundred forty-two thousand, eight hundred twenty-nine".