129044611 has 2 divisors, whose sum is σ = 129044612. Its totient is φ = 129044610.

The previous prime is 129044593. The next prime is 129044621. The reversal of 129044611 is 116440921.

It is a strong prime.

It is an emirp because it is prime and its reverse (116440921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129044611 - 2⁷ = 129044483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129044611.

It is not a weakly prime, because it can be changed into another prime (129044621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64522305 + 64522306.

It is an arithmetic number, because the mean of its divisors is an integer number (64522306).

Almost surely, 2^129044611 is an apocalyptic number.

129044611 is a deficient number, since it is larger than the sum of its proper divisors (1).

129044611 is an equidigital number, since it uses as much as digits as its factorization.

129044611 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 28.

The square root of 129044611 is about 11359.7804116101. The cubic root of 129044611 is about 505.3356733094.

The spelling of 129044611 in words is "one hundred twenty-nine million, forty-four thousand, six hundred eleven".