1126812641 has 2 divisors, whose sum is σ = 1126812642. Its totient is φ = 1126812640.

The previous prime is 1126812637. The next prime is 1126812647. The reversal of 1126812641 is 1462186211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1118233600 + 8579041 = 33440^2 + 2929^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126812641 - 2² = 1126812637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1126812598 and 1126812607.

It is not a weakly prime, because it can be changed into another prime (1126812647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563406320 + 563406321.

It is an arithmetic number, because the mean of its divisors is an integer number (563406321).

Almost surely, 2^1126812641 is an apocalyptic number.

It is an amenable number.

1126812641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126812641 is an equidigital number, since it uses as much as digits as its factorization.

1126812641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 1126812641 is about 33568.0300434804. The cubic root of 1126812641 is about 1040.6001962675.

Adding to 1126812641 its reverse (1462186211), we get a palindrome (2588998852).

The spelling of 1126812641 in words is "one billion, one hundred twenty-six million, eight hundred twelve thousand, six hundred forty-one".