1125426646073 has 2 divisors, whose sum is σ = 1125426646074. Its totient is φ = 1125426646072.

The previous prime is 1125426646039. The next prime is 1125426646079. The reversal of 1125426646073 is 3706466245211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104796494649 + 20630151424 = 1051093^2 + 143632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125426646073 - 2³⁸ = 850548739129 is a prime.

It is a super-2 number, since 2×1125426646073² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125426646079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562713323036 + 562713323037.

It is an arithmetic number, because the mean of its divisors is an integer number (562713323037).

Almost surely, 2^{1125426646073} is an apocalyptic number.

It is an amenable number.

1125426646073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125426646073 is an equidigital number, since it uses as much as digits as its factorization.

1125426646073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 1125426646073 in words is "one trillion, one hundred twenty-five billion, four hundred twenty-six million, six hundred forty-six thousand, seventy-three".