201271043 has 2 divisors, whose sum is σ = 201271044. Its totient is φ = 201271042.

The previous prime is 201271039. The next prime is 201271067. The reversal of 201271043 is 340172102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201271043 - 2² = 201271039 is a prime.

It is not a weakly prime, because it can be changed into another prime (201271073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100635521 + 100635522.

It is an arithmetic number, because the mean of its divisors is an integer number (100635522).

Almost surely, 2^201271043 is an apocalyptic number.

201271043 is a deficient number, since it is larger than the sum of its proper divisors (1).

201271043 is an equidigital number, since it uses as much as digits as its factorization.

201271043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 201271043 is about 14187.0026080212. The cubic root of 201271043 is about 586.0397832411.

The spelling of 201271043 in words is "two hundred one million, two hundred seventy-one thousand, forty-three".