200129197 has 2 divisors, whose sum is σ = 200129198. Its totient is φ = 200129196.

The previous prime is 200129183. The next prime is 200129207. The reversal of 200129197 is 791921002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200109316 + 19881 = 14146^2 + 141^2 .

It is a cyclic number.

It is not a de Polignac number, because 200129197 - 2¹¹ = 200127149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200129107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100064598 + 100064599.

It is an arithmetic number, because the mean of its divisors is an integer number (100064599).

Almost surely, 2^200129197 is an apocalyptic number.

It is an amenable number.

200129197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200129197 is an equidigital number, since it uses as much as digits as its factorization.

200129197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 200129197 is about 14146.7026900264. The cubic root of 200129197 is about 584.9294453104.

The spelling of 200129197 in words is "two hundred million, one hundred twenty-nine thousand, one hundred ninety-seven".