129067872271 has 16 divisors (see below), whose sum is σ = 147280752640. Its totient is φ = 112121560800.

The previous prime is 129067872259. The next prime is 129067872313. The reversal of 129067872271 is 172278760921.

It is a cyclic number.

It is not a de Polignac number, because 129067872271 - 2⁵ = 129067872239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129067872211) 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 in 15 ways as a sum of consecutive naturals, for example, 1692975 + ... + 1767568.

It is an arithmetic number, because the mean of its divisors is an integer number (9205047040).

Almost surely, 2^129067872271 is an apocalyptic number.

129067872271 is a deficient number, since it is larger than the sum of its proper divisors (18212880369).

129067872271 is a wasteful number, since it uses less digits than its factorization.

129067872271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460726.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 129067872271 in words is "one hundred twenty-nine billion, sixty-seven million, eight hundred seventy-two thousand, two hundred seventy-one".