1126275644729 has 2 divisors, whose sum is σ = 1126275644730. Its totient is φ = 1126275644728.

The previous prime is 1126275644677. The next prime is 1126275644743. The reversal of 1126275644729 is 9274465726211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746046787600 + 380228857129 = 863740^2 + 616627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126275644729 - 2¹⁶ = 1126275579193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126275644779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563137822364 + 563137822365.

It is an arithmetic number, because the mean of its divisors is an integer number (563137822365).

Almost surely, 2^{1126275644729} is an apocalyptic number.

It is an amenable number.

1126275644729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126275644729 is an equidigital number, since it uses as much as digits as its factorization.

1126275644729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The spelling of 1126275644729 in words is "one trillion, one hundred twenty-six billion, two hundred seventy-five million, six hundred forty-four thousand, seven hundred twenty-nine".