11242171 has 4 divisors (see below), whose sum is σ = 11249032. Its totient is φ = 11235312.

The previous prime is 11242163. The next prime is 11242177. The reversal of 11242171 is 17124211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17124211 = 13 ⋅1317247.

It is a cyclic number.

It is not a de Polignac number, because 11242171 - 2³ = 11242163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242177) 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, 631 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (2812258).

Almost surely, 2^11242171 is an apocalyptic number.

11242171 is a deficient number, since it is larger than the sum of its proper divisors (6861).

11242171 is an equidigital number, since it uses as much as digits as its factorization.

11242171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860.

The product of its digits is 112, while the sum is 19.

The square root of 11242171 is about 3352.9346847202. The cubic root of 11242171 is about 224.0182476100.

Adding to 11242171 its reverse (17124211), we get a palindrome (28366382).

The spelling of 11242171 in words is "eleven million, two hundred forty-two thousand, one hundred seventy-one".