1208126112845 has 8 divisors (see below), whose sum is σ = 1450730244600. Its totient is φ = 965848284160.

The previous prime is 1208126112797. The next prime is 1208126112871. The reversal of 1208126112845 is 5482116218021.

It can be written as a sum of positive squares in 4 ways, for example, as 12368553796 + 1195757559049 = 111214^2 + 1093507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1208126112845 - 2²² = 1208121918541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81567620 + ... + 81582429.

It is an arithmetic number, because the mean of its divisors is an integer number (181341280575).

Almost surely, 2^{1208126112845} is an apocalyptic number.

It is an amenable number.

1208126112845 is a deficient number, since it is larger than the sum of its proper divisors (242604131755).

1208126112845 is a wasteful number, since it uses less digits than its factorization.

1208126112845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163151535.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 1208126112845 in words is "one trillion, two hundred eight billion, one hundred twenty-six million, one hundred twelve thousand, eight hundred forty-five".