129063811 has 2 divisors, whose sum is σ = 129063812. Its totient is φ = 129063810.

The previous prime is 129063799. The next prime is 129063817. The reversal of 129063811 is 118360921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129063811 - 2⁹ = 129063299 is a prime.

It is not a weakly prime, because it can be changed into another prime (129063817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64531905 + 64531906.

It is an arithmetic number, because the mean of its divisors is an integer number (64531906).

Almost surely, 2^129063811 is an apocalyptic number.

129063811 is a deficient number, since it is larger than the sum of its proper divisors (1).

129063811 is an equidigital number, since it uses as much as digits as its factorization.

129063811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 129063811 is about 11360.6254669362. The cubic root of 129063811 is about 505.3607343166.

The spelling of 129063811 in words is "one hundred twenty-nine million, sixty-three thousand, eight hundred eleven".