1211141 has 2 divisors, whose sum is σ = 1211142. Its totient is φ = 1211140.

The previous prime is 1211087. The next prime is 1211167. The reversal of 1211141 is 1411121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 348100 = 929^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211141 - 2¹⁴ = 1194757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605570 + 605571.

It is an arithmetic number, because the mean of its divisors is an integer number (605571).

2^1211141 is an apocalyptic number.

It is an amenable number.

1211141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211141 is an equidigital number, since it uses as much as digits as its factorization.

1211141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8, while the sum is 11.

The square root of 1211141 is about 1100.5185141559. The cubic root of 1211141 is about 106.5937077036.

Adding to 1211141 its reverse (1411121), we get a palindrome (2622262).

The spelling of 1211141 in words is "one million, two hundred eleven thousand, one hundred forty-one".