129035927 has 2 divisors, whose sum is σ = 129035928. Its totient is φ = 129035926.

The previous prime is 129035839. The next prime is 129035939. The reversal of 129035927 is 729530921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129035927 - 2²² = 124841623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129035947) 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, 64517963 + 64517964.

It is an arithmetic number, because the mean of its divisors is an integer number (64517964).

Almost surely, 2^129035927 is an apocalyptic number.

129035927 is a deficient number, since it is larger than the sum of its proper divisors (1).

129035927 is an equidigital number, since it uses as much as digits as its factorization.

129035927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 129035927 is about 11359.3981794812. The cubic root of 129035927 is about 505.3243376083.

The spelling of 129035927 in words is "one hundred twenty-nine million, thirty-five thousand, nine hundred twenty-seven".