1126866845 has 32 divisors (see below), whose sum is σ = 1547265888. Its totient is φ = 780484608.

The previous prime is 1126866821. The next prime is 1126866859. The reversal of 1126866845 is 5486686211.

It can be written as a sum of positive squares in 16 ways, for example, as 309021241 + 817845604 = 17579^2 + 28598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126866845 - 2⁸ = 1126866589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126866845.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 348677 + ... + 351893.

It is an arithmetic number, because the mean of its divisors is an integer number (48352059).

Almost surely, 2^1126866845 is an apocalyptic number.

It is an amenable number.

1126866845 is a deficient number, since it is larger than the sum of its proper divisors (420399043).

1126866845 is a wasteful number, since it uses less digits than its factorization.

1126866845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its digits is 552960, while the sum is 47.

The square root of 1126866845 is about 33568.8374091210. The cubic root of 1126866845 is about 1040.6168816171.

The spelling of 1126866845 in words is "one billion, one hundred twenty-six million, eight hundred sixty-six thousand, eight hundred forty-five".