11442271 has 2 divisors, whose sum is σ = 11442272. Its totient is φ = 11442270.

The previous prime is 11442251. The next prime is 11442307. The reversal of 11442271 is 17224411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11442271 - 2⁷ = 11442143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11442251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721135 + 5721136.

It is an arithmetic number, because the mean of its divisors is an integer number (5721136).

Almost surely, 2^11442271 is an apocalyptic number.

11442271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11442271 is an equidigital number, since it uses as much as digits as its factorization.

11442271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 22.

The square root of 11442271 is about 3382.6426060109. The cubic root of 11442271 is about 225.3395433108.

Adding to 11442271 its reverse (17224411), we get a palindrome (28666682).

The spelling of 11442271 in words is "eleven million, four hundred forty-two thousand, two hundred seventy-one".