201027071 has 4 divisors (see below), whose sum is σ = 229745232. Its totient is φ = 172308912.

The previous prime is 201027053. The next prime is 201027083. The reversal of 201027071 is 170720102.

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

It is a cyclic number.

It is not a de Polignac number, because 201027071 - 2²² = 196832767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14359070 + ... + 14359083.

It is an arithmetic number, because the mean of its divisors is an integer number (57436308).

Almost surely, 2^201027071 is an apocalyptic number.

201027071 is a deficient number, since it is larger than the sum of its proper divisors (28718161).

201027071 is an equidigital number, since it uses as much as digits as its factorization.

201027071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28718160.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 201027071 is about 14178.4015671725. The cubic root of 201027071 is about 585.8028968596.

Adding to 201027071 its reverse (170720102), we get a palindrome (371747173).

The spelling of 201027071 in words is "two hundred one million, twenty-seven thousand, seventy-one".