1126443457 has 2 divisors, whose sum is σ = 1126443458. Its totient is φ = 1126443456.

The previous prime is 1126443431. The next prime is 1126443473. The reversal of 1126443457 is 7543446211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939054736 + 187388721 = 30644^2 + 13689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126443457 is a prime.

It is a super-2 number, since 2×1126443457² = 2537749723636221698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1126441457) 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, 563221728 + 563221729.

It is an arithmetic number, because the mean of its divisors is an integer number (563221729).

Almost surely, 2^1126443457 is an apocalyptic number.

It is an amenable number.

1126443457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126443457 is an equidigital number, since it uses as much as digits as its factorization.

1126443457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 1126443457 is about 33562.5305511965. The cubic root of 1126443457 is about 1040.4865379441.

Adding to 1126443457 its reverse (7543446211), we get a palindrome (8669889668).

The spelling of 1126443457 in words is "one billion, one hundred twenty-six million, four hundred forty-three thousand, four hundred fifty-seven".