9020171 has 4 divisors (see below), whose sum is σ = 9074352. Its totient is φ = 8965992.

The previous prime is 9020159. The next prime is 9020173. The reversal of 9020171 is 1710209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1710209 = 19 ⋅90011.

It is a cyclic number.

It is not a de Polignac number, because 9020171 - 2⁶ = 9020107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9020173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26840 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (2268588).

Almost surely, 2^9020171 is an apocalyptic number.

9020171 is a deficient number, since it is larger than the sum of its proper divisors (54181).

9020171 is a wasteful number, since it uses less digits than its factorization.

9020171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54180.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 9020171 is about 3003.3599517873. The cubic root of 9020171 is about 208.1636640256.

The spelling of 9020171 in words is "nine million, twenty thousand, one hundred seventy-one".