129200033 has 8 divisors (see below), whose sum is σ = 134144256. Its totient is φ = 124304400.

The previous prime is 129200011. The next prime is 129200047. The reversal of 129200033 is 330002921.

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

It is a cyclic number.

It is not a de Polignac number, because 129200033 - 2⁶ = 129199969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129199978 and 129200014.

It is not an unprimeable number, because it can be changed into a prime (129200933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6683 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (16768032).

Almost surely, 2^129200033 is an apocalyptic number.

It is an amenable number.

129200033 is a deficient number, since it is larger than the sum of its proper divisors (4944223).

129200033 is a wasteful number, since it uses less digits than its factorization.

129200033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24295.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 129200033 is about 11366.6192423253. The cubic root of 129200033 is about 505.5384682190.

Adding to 129200033 its reverse (330002921), we get a palindrome (459202954).

The spelling of 129200033 in words is "one hundred twenty-nine million, two hundred thousand, thirty-three".