129306883 has 2 divisors, whose sum is σ = 129306884. Its totient is φ = 129306882.

The previous prime is 129306857. The next prime is 129306899. The reversal of 129306883 is 388603921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129306883 - 2¹⁷ = 129175811 is a prime.

It is not a weakly prime, because it can be changed into another prime (129300883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64653441 + 64653442.

It is an arithmetic number, because the mean of its divisors is an integer number (64653442).

Almost surely, 2^129306883 is an apocalyptic number.

129306883 is a deficient number, since it is larger than the sum of its proper divisors (1).

129306883 is an equidigital number, since it uses as much as digits as its factorization.

129306883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 129306883 is about 11371.3184371910. The cubic root of 129306883 is about 505.6777919742.

The spelling of 129306883 in words is "one hundred twenty-nine million, three hundred six thousand, eight hundred eighty-three".