200129 has 8 divisors (see below), whose sum is σ = 212160. Its totient is φ = 188496.

The previous prime is 200117. The next prime is 200131. The reversal of 200129 is 921002.

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 200129 - 2⁸ = 199873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (26520).

2²⁰⁰¹²⁹ is an apocalyptic number.

200129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

200129 is a deficient number, since it is larger than the sum of its proper divisors (12031).

200129 is a wasteful number, since it uses less digits than its factorization.

200129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 200129 is about 447.3577986355. The cubic root of 200129 is about 58.4929253382.

The spelling of 200129 in words is "two hundred thousand, one hundred twenty-nine".