129103882791 has 16 divisors (see below), whose sum is σ = 185634968064. Its totient is φ = 79339243104.

The previous prime is 129103882763. The next prime is 129103882829. The reversal of 129103882791 is 197288301921.

It is not a de Polignac number, because 129103882791 - 2⁵ = 129103882759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129103882891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2248371 + ... + 2305076.

It is an arithmetic number, because the mean of its divisors is an integer number (11602185504).

Almost surely, 2^129103882791 is an apocalyptic number.

129103882791 is a deficient number, since it is larger than the sum of its proper divisors (56531085273).

129103882791 is a wasteful number, since it uses less digits than its factorization.

129103882791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554190.

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 129103882791 in words is "one hundred twenty-nine billion, one hundred three million, eight hundred eighty-two thousand, seven hundred ninety-one".