129009004102 has 8 divisors (see below), whose sum is σ = 211105643112. Its totient is φ = 58640456400.

The previous prime is 129009004097. The next prime is 129009004123. The reversal of 129009004102 is 201400900921.

It is a happy number.

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

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, 2932022799 + ... + 2932022842.

It is an arithmetic number, because the mean of its divisors is an integer number (26388205389).

Almost surely, 2^129009004102 is an apocalyptic number.

129009004102 is a deficient number, since it is larger than the sum of its proper divisors (82096639010).

129009004102 is a wasteful number, since it uses less digits than its factorization.

129009004102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864045654.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 129009004102 in words is "one hundred twenty-nine billion, nine million, four thousand, one hundred two".