200122143 has 16 divisors (see below), whose sum is σ = 296626176. Its totient is φ = 119178720.

The previous prime is 200122133. The next prime is 200122157. The reversal of 200122143 is 341221002.

It is not a de Polignac number, because 200122143 - 2¹⁶ = 200056607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122133) 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, 81555 + ... + 83972.

It is an arithmetic number, because the mean of its divisors is an integer number (18539136).

Almost surely, 2^200122143 is an apocalyptic number.

200122143 is a deficient number, since it is larger than the sum of its proper divisors (96504033).

200122143 is a wasteful number, since it uses less digits than its factorization.

200122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165574.

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

The square root of 200122143 is about 14146.4533717819. The cubic root of 200122143 is about 584.9225728486.

Adding to 200122143 its reverse (341221002), we get a palindrome (541343145).

It can be divided in two parts, 20012 and 2143, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 200122143 in words is "two hundred million, one hundred twenty-two thousand, one hundred forty-three".