126356429 has 2 divisors, whose sum is σ = 126356430. Its totient is φ = 126356428.

The previous prime is 126356401. The next prime is 126356449. The reversal of 126356429 is 924653621.

126356429 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118766404 + 7590025 = 10898^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 126356429 - 2⁸ = 126356173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126356392 and 126356401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126356449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63178214 + 63178215.

It is an arithmetic number, because the mean of its divisors is an integer number (63178215).

Almost surely, 2^126356429 is an apocalyptic number.

It is an amenable number.

126356429 is a deficient number, since it is larger than the sum of its proper divisors (1).

126356429 is an equidigital number, since it uses as much as digits as its factorization.

126356429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 126356429 is about 11240.8375577623. The cubic root of 126356429 is about 501.8020692897.

The spelling of 126356429 in words is "one hundred twenty-six million, three hundred fifty-six thousand, four hundred twenty-nine".