11243071 has 4 divisors (see below), whose sum is σ = 12849232. Its totient is φ = 9636912.

The previous prime is 11243059. The next prime is 11243087. The reversal of 11243071 is 17034211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17034211 = 3109 ⋅5479.

It is a cyclic number.

It is not a de Polignac number, because 11243071 - 2¹¹ = 11241023 is a prime.

It is a super-2 number, since 2×11243071² = 252813291022082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243051) 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, 803070 + ... + 803083.

It is an arithmetic number, because the mean of its divisors is an integer number (3212308).

Almost surely, 2^11243071 is an apocalyptic number.

11243071 is a deficient number, since it is larger than the sum of its proper divisors (1606161).

11243071 is an equidigital number, since it uses as much as digits as its factorization.

11243071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606160.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11243071 is about 3353.0688928204. The cubic root of 11243071 is about 224.0242254305.

Adding to 11243071 its reverse (17034211), we get a palindrome (28277282).

The spelling of 11243071 in words is "eleven million, two hundred forty-three thousand, seventy-one".