200143122 has 32 divisors (see below), whose sum is σ = 404455680. Its totient is φ = 66023760.

The previous prime is 200143121. The next prime is 200143157. The reversal of 200143122 is 221341002.

It is not an unprimeable number, because it can be changed into a prime (200143121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355213 + ... + 355775.

It is an arithmetic number, because the mean of its divisors is an integer number (12639240).

Almost surely, 2^200143122 is an apocalyptic number.

200143122 is an abundant number, since it is smaller than the sum of its proper divisors (204312558).

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

200143122 is a wasteful number, since it uses less digits than its factorization.

200143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200143122 is about 14147.1948456222. The cubic root of 200143122 is about 584.9430114695.

Adding to 200143122 its reverse (221341002), we get a palindrome (421484124).

The spelling of 200143122 in words is "two hundred million, one hundred forty-three thousand, one hundred twenty-two".