201173071 has 8 divisors (see below), whose sum is σ = 219582288. Its totient is φ = 182784000.

The previous prime is 201173057. The next prime is 201173131. The reversal of 201173071 is 170371102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 12-Lehmer number, since φ(201173071) divides (201173071-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 201173071 - 2⁵ = 201173039 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 (201173041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22351 + ... + 30031.

It is an arithmetic number, because the mean of its divisors is an integer number (27447786).

Almost surely, 2^201173071 is an apocalyptic number.

201173071 is a deficient number, since it is larger than the sum of its proper divisors (18409217).

201173071 is a wasteful number, since it uses less digits than its factorization.

201173071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 201173071 is about 14183.5493089706. The cubic root of 201173071 is about 585.9446796314.

The spelling of 201173071 in words is "two hundred one million, one hundred seventy-three thousand, seventy-one".