1128238268 has 6 divisors (see below), whose sum is σ = 1974416976. Its totient is φ = 564119132.

The previous prime is 1128238231. The next prime is 1128238289. The reversal of 1128238268 is 8628328211.

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 as a sum of consecutive naturals, namely, 141029780 + ... + 141029787.

It is an arithmetic number, because the mean of its divisors is an integer number (329069496).

Almost surely, 2^1128238268 is an apocalyptic number.

It is an amenable number.

1128238268 is a deficient number, since it is larger than the sum of its proper divisors (846178708).

1128238268 is a wasteful number, since it uses less digits than its factorization.

1128238268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282059571 (or 282059569 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 1128238268 is about 33589.2582234261. The cubic root of 1128238268 is about 1041.0388620770.

The spelling of 1128238268 in words is "one billion, one hundred twenty-eight million, two hundred thirty-eight thousand, two hundred sixty-eight".