200242129 has 4 divisors (see below), whose sum is σ = 207147060. Its totient is φ = 193337200.

The previous prime is 200242123. The next prime is 200242153. The reversal of 200242129 is 921242002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167443600 + 32798529 = 12940^2 + 5727^2 .

It is not a de Polignac number, because 200242129 - 2⁷ = 200242001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200242123) 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 in 3 ways as a sum of consecutive naturals, for example, 3452422 + ... + 3452479.

It is an arithmetic number, because the mean of its divisors is an integer number (51786765).

Almost surely, 2^200242129 is an apocalyptic number.

200242129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

200242129 is a deficient number, since it is larger than the sum of its proper divisors (6904931).

200242129 is an equidigital number, since it uses as much as digits as its factorization.

200242129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904930.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 200242129 is about 14150.6935872416. The cubic root of 200242129 is about 585.0394489676.

The spelling of 200242129 in words is "two hundred million, two hundred forty-two thousand, one hundred twenty-nine".