1111841 has 2 divisors, whose sum is σ = 1111842. Its totient is φ = 1111840.

The previous prime is 1111801. The next prime is 1111853. The reversal of 1111841 is 1481111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 495616 = 785^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111841 - 2¹⁰ = 1110817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1111801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555920 + 555921.

It is an arithmetic number, because the mean of its divisors is an integer number (555921).

2^1111841 is an apocalyptic number.

It is an amenable number.

1111841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111841 is an equidigital number, since it uses as much as digits as its factorization.

1111841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 17.

The square root of 1111841 is about 1054.4387132499. The cubic root of 1111841 is about 103.5970912457.

Adding to 1111841 its reverse (1481111), we get a palindrome (2592952).

The spelling of 1111841 in words is "one million, one hundred eleven thousand, eight hundred forty-one".