129069169101 has 6 divisors (see below), whose sum is σ = 186433244270. Its totient is φ = 86046112728.

The previous prime is 129069169067. The next prime is 129069169109. The reversal of 129069169101 is 101961960921.

It can be written as a sum of positive squares in only one way, i.e., 113481396900 + 15587772201 = 336870^2 + 124851^2 .

It is not a de Polignac number, because 129069169101 - 2⁷ = 129069168973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129069169109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7170509386 + ... + 7170509403.

Almost surely, 2^129069169101 is an apocalyptic number.

It is an amenable number.

129069169101 is a deficient number, since it is larger than the sum of its proper divisors (57364075169).

129069169101 is a wasteful number, since it uses less digits than its factorization.

129069169101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341018795 (or 14341018792 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 129069169101 in words is "one hundred twenty-nine billion, sixty-nine million, one hundred sixty-nine thousand, one hundred one".