129066204 has 12 divisors (see below), whose sum is σ = 301154504. Its totient is φ = 43022064.

The previous prime is 129066169. The next prime is 129066209. The reversal of 129066204 is 402660921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129066209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377747 + ... + 5377770.

Almost surely, 2^129066204 is an apocalyptic number.

It is an amenable number.

129066204 is an abundant number, since it is smaller than the sum of its proper divisors (172088300).

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

129066204 is a wasteful number, since it uses less digits than its factorization.

129066204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10755524 (or 10755522 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 129066204 is about 11360.7307863535. The cubic root of 129066204 is about 505.3638576314.

It can be divided in two parts, 12906 and 6204, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 129066204 in words is "one hundred twenty-nine million, sixty-six thousand, two hundred four".