201125143 has 2 divisors, whose sum is σ = 201125144. Its totient is φ = 201125142.

The previous prime is 201125123. The next prime is 201125149. The reversal of 201125143 is 341521102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201125143 - 2¹⁷ = 200994071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201125143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201125149) 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, 100562571 + 100562572.

It is an arithmetic number, because the mean of its divisors is an integer number (100562572).

Almost surely, 2^201125143 is an apocalyptic number.

201125143 is a deficient number, since it is larger than the sum of its proper divisors (1).

201125143 is an equidigital number, since it uses as much as digits as its factorization.

201125143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 201125143 is about 14181.8596453357. The cubic root of 201125143 is about 585.8981436032.

Adding to 201125143 its reverse (341521102), we get a palindrome (542646245).

The spelling of 201125143 in words is "two hundred one million, one hundred twenty-five thousand, one hundred forty-three".