1128681122 has 8 divisors (see below), whose sum is σ = 1698800796. Its totient is φ = 562414192.

The previous prime is 1128681053. The next prime is 1128681143. The reversal of 1128681122 is 2211868211.

It can be written as a sum of positive squares in 2 ways, for example, as 931531441 + 197149681 = 30521^2 + 14041^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962453 + ... + 963624.

Almost surely, 2^1128681122 is an apocalyptic number.

1128681122 is a deficient number, since it is larger than the sum of its proper divisors (570119674).

1128681122 is a wasteful number, since it uses less digits than its factorization.

1128681122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926372.

The product of its digits is 3072, while the sum is 32.

The square root of 1128681122 is about 33595.8497734467. The cubic root of 1128681122 is about 1041.1750531428.

The spelling of 1128681122 in words is "one billion, one hundred twenty-eight million, six hundred eighty-one thousand, one hundred twenty-two".