11281241 has 4 divisors (see below), whose sum is σ = 11645184. Its totient is φ = 10917300.

The previous prime is 11281211. The next prime is 11281243. The reversal of 11281241 is 14218211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11281241 - 2⁶ = 11281177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11281243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181925 + ... + 181986.

It is an arithmetic number, because the mean of its divisors is an integer number (2911296).

Almost surely, 2^11281241 is an apocalyptic number.

It is an amenable number.

11281241 is a deficient number, since it is larger than the sum of its proper divisors (363943).

11281241 is an equidigital number, since it uses as much as digits as its factorization.

11281241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363942.

The product of its digits is 128, while the sum is 20.

The square root of 11281241 is about 3358.7558708546. The cubic root of 11281241 is about 224.2774583199.

Adding to 11281241 its reverse (14218211), we get a palindrome (25499452).

The spelling of 11281241 in words is "eleven million, two hundred eighty-one thousand, two hundred forty-one".