129384011 has 2 divisors, whose sum is σ = 129384012. Its totient is φ = 129384010.

The previous prime is 129384007. The next prime is 129384019. The reversal of 129384011 is 110483921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129384011 - 2² = 129384007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129384019) 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, 64692005 + 64692006.

It is an arithmetic number, because the mean of its divisors is an integer number (64692006).

Almost surely, 2^129384011 is an apocalyptic number.

129384011 is a deficient number, since it is larger than the sum of its proper divisors (1).

129384011 is an equidigital number, since it uses as much as digits as its factorization.

129384011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 129384011 is about 11374.7092710100. The cubic root of 129384011 is about 505.7783129567.

The spelling of 129384011 in words is "one hundred twenty-nine million, three hundred eighty-four thousand, eleven".