126534029 has 2 divisors, whose sum is σ = 126534030. Its totient is φ = 126534028.

The previous prime is 126534013. The next prime is 126534049. The reversal of 126534029 is 920435621.

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., 99960004 + 26574025 = 9998^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 126534029 - 2⁴ = 126534013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126533986 and 126534004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126534049) 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, 63267014 + 63267015.

It is an arithmetic number, because the mean of its divisors is an integer number (63267015).

Almost surely, 2^126534029 is an apocalyptic number.

It is an amenable number.

126534029 is a deficient number, since it is larger than the sum of its proper divisors (1).

126534029 is an equidigital number, since it uses as much as digits as its factorization.

126534029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 126534029 is about 11248.7345510506. The cubic root of 126534029 is about 502.0370614903.

The spelling of 126534029 in words is "one hundred twenty-six million, five hundred thirty-four thousand, twenty-nine".