1128338884 has 6 divisors (see below), whose sum is σ = 1974593054. Its totient is φ = 564169440.

The previous prime is 1128338867. The next prime is 1128338891. The reversal of 1128338884 is 4888338211.

It can be written as a sum of positive squares in only one way, i.e., 598878784 + 529460100 = 24472^2 + 23010^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141042357 + ... + 141042364.

Almost surely, 2^1128338884 is an apocalyptic number.

It is an amenable number.

1128338884 is a deficient number, since it is larger than the sum of its proper divisors (846254170).

1128338884 is a wasteful number, since it uses less digits than its factorization.

1128338884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282084725 (or 282084723 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 1128338884 is about 33590.7559307617. The cubic root of 1128338884 is about 1041.0698076835.

The spelling of 1128338884 in words is "one billion, one hundred twenty-eight million, three hundred thirty-eight thousand, eight hundred eighty-four".