1126412761 has 2 divisors, whose sum is σ = 1126412762. Its totient is φ = 1126412760.

The previous prime is 1126412743. The next prime is 1126412789. The reversal of 1126412761 is 1672146211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072169536 + 54243225 = 32744^2 + 7365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126412761 - 2²⁵ = 1092858329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126412711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563206380 + 563206381.

It is an arithmetic number, because the mean of its divisors is an integer number (563206381).

Almost surely, 2^1126412761 is an apocalyptic number.

It is an amenable number.

1126412761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126412761 is an equidigital number, since it uses as much as digits as its factorization.

1126412761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 1126412761 is about 33562.0732524080. The cubic root of 1126412761 is about 1040.4770866442.

Adding to 1126412761 its reverse (1672146211), we get a palindrome (2798558972).

It can be divided in two parts, 11264 and 12761, that added together give a square (24025 = 155²).

The spelling of 1126412761 in words is "one billion, one hundred twenty-six million, four hundred twelve thousand, seven hundred sixty-one".