1122264652778 has 16 divisors (see below), whose sum is σ = 1698433077384. Its totient is φ = 556133571840.

The previous prime is 1122264652721. The next prime is 1122264652813. The reversal of 1122264652778 is 8772564622211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 792532599049 + 329732053729 = 890243^2 + 574223^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150113 + ... + 3488228.

Almost surely, 2^{1122264652778} is an apocalyptic number.

1122264652778 is a deficient number, since it is larger than the sum of its proper divisors (576168424606).

1122264652778 is a wasteful number, since it uses less digits than its factorization.

1122264652778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639097.

The product of its digits is 4515840, while the sum is 53.

The spelling of 1122264652778 in words is "one trillion, one hundred twenty-two billion, two hundred sixty-four million, six hundred fifty-two thousand, seven hundred seventy-eight".