1126123458457 has 2 divisors, whose sum is σ = 1126123458458. Its totient is φ = 1126123458456.

The previous prime is 1126123458377. The next prime is 1126123458503. The reversal of 1126123458457 is 7548543216211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701982568336 + 424140890121 = 837844^2 + 651261^2 .

It is an emirp because it is prime and its reverse (7548543216211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1126123458457 - 2⁷ = 1126123458329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126123458457.

It is not a weakly prime, because it can be changed into another prime (1126123458557) 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, 563061729228 + 563061729229.

It is an arithmetic number, because the mean of its divisors is an integer number (563061729229).

Almost surely, 2^{1126123458457} is an apocalyptic number.

It is an amenable number.

1126123458457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126123458457 is an equidigital number, since it uses as much as digits as its factorization.

1126123458457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 49.

The spelling of 1126123458457 in words is "one trillion, one hundred twenty-six billion, one hundred twenty-three million, four hundred fifty-eight thousand, four hundred fifty-seven".