1141121441 has 2 divisors, whose sum is σ = 1141121442. Its totient is φ = 1141121440.

The previous prime is 1141121431. The next prime is 1141121453. The reversal of 1141121441 is 1441211411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848848225 + 292273216 = 29135^2 + 17096^2 .

It is an emirp because it is prime and its reverse (1441211411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141121441 - 2³⁰ = 67379617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141121431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570560720 + 570560721.

It is an arithmetic number, because the mean of its divisors is an integer number (570560721).

Almost surely, 2^1141121441 is an apocalyptic number.

It is an amenable number.

1141121441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141121441 is an equidigital number, since it uses as much as digits as its factorization.

1141121441 is an evil number, because the sum of its binary digits is even.

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

The square root of 1141121441 is about 33780.4890580347. The cubic root of 1141121441 is about 1044.9863603296.

Adding to 1141121441 its reverse (1441211411), we get a palindrome (2582332852).

The spelling of 1141121441 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, four hundred forty-one".