129103871046 has 8 divisors (see below), whose sum is σ = 258207742104. Its totient is φ = 43034623680.

The previous prime is 129103871033. The next prime is 129103871053. The reversal of 129103871046 is 640178301921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

129103871046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 129103870989 and 129103871007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758655915 + ... + 10758655926.

It is an arithmetic number, because the mean of its divisors is an integer number (32275967763).

Almost surely, 2^129103871046 is an apocalyptic number.

129103871046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129103871046 is a wasteful number, since it uses less digits than its factorization.

129103871046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21517311846.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 129103871046 in words is "one hundred twenty-nine billion, one hundred three million, eight hundred seventy-one thousand, forty-six".