1122144481 has 2 divisors, whose sum is σ = 1122144482. Its totient is φ = 1122144480.

The previous prime is 1122144391. The next prime is 1122144487. The reversal of 1122144481 is 1844412211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078465600 + 43678881 = 32840^2 + 6609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122144481 - 2⁹ = 1122143969 is a prime.

It is a super-2 number, since 2×1122144481² = 2518416472477518722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122144487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561072240 + 561072241.

It is an arithmetic number, because the mean of its divisors is an integer number (561072241).

Almost surely, 2^1122144481 is an apocalyptic number.

It is an amenable number.

1122144481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122144481 is an equidigital number, since it uses as much as digits as its factorization.

1122144481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 28.

The square root of 1122144481 is about 33498.4250525305. The cubic root of 1122144481 is about 1039.1612076071.

Adding to 1122144481 its reverse (1844412211), we get a palindrome (2966556692).

The spelling of 1122144481 in words is "one billion, one hundred twenty-two million, one hundred forty-four thousand, four hundred eighty-one".