1226766200057 has 2 divisors, whose sum is σ = 1226766200058. Its totient is φ = 1226766200056.

The previous prime is 1226766199933. The next prime is 1226766200063. The reversal of 1226766200057 is 7500026676221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997889115136 + 228877084921 = 998944^2 + 478411^2 .

It is an emirp because it is prime and its reverse (7500026676221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226766200057 - 2²⁰ = 1226765151481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226766199990 and 1226766200017.

It is not a weakly prime, because it can be changed into another prime (1226766209057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613383100028 + 613383100029.

It is an arithmetic number, because the mean of its divisors is an integer number (613383100029).

Almost surely, 2^{1226766200057} is an apocalyptic number.

It is an amenable number.

1226766200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226766200057 is an equidigital number, since it uses as much as digits as its factorization.

1226766200057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1226766200057 in words is "one trillion, two hundred twenty-six billion, seven hundred sixty-six million, two hundred thousand, fifty-seven".