1145122441 has 2 divisors, whose sum is σ = 1145122442. Its totient is φ = 1145122440.

The previous prime is 1145122409. The next prime is 1145122463. The reversal of 1145122441 is 1442215411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123925625 + 21196816 = 33525^2 + 4604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145122441 - 2⁵ = 1145122409 is a prime.

It is a super-2 number, since 2×1145122441² = 2622610809763596962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145122471) 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 as a sum of consecutive naturals, namely, 572561220 + 572561221.

It is an arithmetic number, because the mean of its divisors is an integer number (572561221).

Almost surely, 2^1145122441 is an apocalyptic number.

It is an amenable number.

1145122441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145122441 is an equidigital number, since it uses as much as digits as its factorization.

1145122441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 25.

The square root of 1145122441 is about 33839.6578144638. The cubic root of 1145122441 is about 1046.2062461106.

Adding to 1145122441 its reverse (1442215411), we get a palindrome (2587337852).

The spelling of 1145122441 in words is "one billion, one hundred forty-five million, one hundred twenty-two thousand, four hundred forty-one".