126345529 has 2 divisors, whose sum is σ = 126345530. Its totient is φ = 126345528.

The previous prime is 126345521. The next prime is 126345599. The reversal of 126345529 is 925543621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123721129 + 2624400 = 11123^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 126345529 - 2³ = 126345521 is a prime.

It is not a weakly prime, because it can be changed into another prime (126345521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63172764 + 63172765.

It is an arithmetic number, because the mean of its divisors is an integer number (63172765).

Almost surely, 2^126345529 is an apocalyptic number.

It is an amenable number.

126345529 is a deficient number, since it is larger than the sum of its proper divisors (1).

126345529 is an equidigital number, since it uses as much as digits as its factorization.

126345529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 126345529 is about 11240.3527079892. The cubic root of 126345529 is about 501.7876397381.

The spelling of 126345529 in words is "one hundred twenty-six million, three hundred forty-five thousand, five hundred twenty-nine".