129104293 has 2 divisors, whose sum is σ = 129104294. Its totient is φ = 129104292.

The previous prime is 129104291. The next prime is 129104303. The reversal of 129104293 is 392401921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 54420129 = 8642^2 + 7377^2 .

It is a cyclic number.

It is not a de Polignac number, because 129104293 - 2¹ = 129104291 is a prime.

Together with 129104291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129104291) 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, 64552146 + 64552147.

It is an arithmetic number, because the mean of its divisors is an integer number (64552147).

Almost surely, 2^129104293 is an apocalyptic number.

It is an amenable number.

129104293 is a deficient number, since it is larger than the sum of its proper divisors (1).

129104293 is an equidigital number, since it uses as much as digits as its factorization.

129104293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 129104293 is about 11362.4070073202. The cubic root of 129104293 is about 505.4135657403.

The spelling of 129104293 in words is "one hundred twenty-nine million, one hundred four thousand, two hundred ninety-three".