129085341127 has 2 divisors, whose sum is σ = 129085341128. Its totient is φ = 129085341126.

The previous prime is 129085341071. The next prime is 129085341167. The reversal of 129085341127 is 721143580921.

It is a strong prime.

It is an emirp because it is prime and its reverse (721143580921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129085341127 - 2³¹ = 126937857479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129085341167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64542670563 + 64542670564.

It is an arithmetic number, because the mean of its divisors is an integer number (64542670564).

Almost surely, 2^129085341127 is an apocalyptic number.

129085341127 is a deficient number, since it is larger than the sum of its proper divisors (1).

129085341127 is an equidigital number, since it uses as much as digits as its factorization.

129085341127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 129085341127 in words is "one hundred twenty-nine billion, eighty-five million, three hundred forty-one thousand, one hundred twenty-seven".