129035629 has 2 divisors, whose sum is σ = 129035630. Its totient is φ = 129035628.

The previous prime is 129035611. The next prime is 129035657. The reversal of 129035629 is 926530921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95511529 + 33524100 = 9773^2 + 5790^2 .

It is an emirp because it is prime and its reverse (926530921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129035629 - 2⁵ = 129035597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129035029) 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, 64517814 + 64517815.

It is an arithmetic number, because the mean of its divisors is an integer number (64517815).

Almost surely, 2^129035629 is an apocalyptic number.

It is an amenable number.

129035629 is a deficient number, since it is larger than the sum of its proper divisors (1).

129035629 is an equidigital number, since it uses as much as digits as its factorization.

129035629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 129035629 is about 11359.3850625815. The cubic root of 129035629 is about 505.3239486035.

The spelling of 129035629 in words is "one hundred twenty-nine million, thirty-five thousand, six hundred twenty-nine".