2241121 has 2 divisors, whose sum is σ = 2241122. Its totient is φ = 2241120.

The previous prime is 2241119. The next prime is 2241139. The reversal of 2241121 is 1211422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1290496 + 950625 = 1136^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241121 - 2¹ = 2241119 is a prime.

Together with 2241119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2241181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120560 + 1120561.

It is an arithmetic number, because the mean of its divisors is an integer number (1120561).

2^2241121 is an apocalyptic number.

It is an amenable number.

2241121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241121 is an equidigital number, since it uses as much as digits as its factorization.

2241121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 13.

The square root of 2241121 is about 1497.0374076823. The cubic root of 2241121 is about 130.8644753469.

Adding to 2241121 its reverse (1211422), we get a palindrome (3452543).

The spelling of 2241121 in words is "two million, two hundred forty-one thousand, one hundred twenty-one".