1128587968 has 14 divisors (see below), whose sum is σ = 2239541876. Its totient is φ = 564293952.

The previous prime is 1128587963. The next prime is 1128587969. The reversal of 1128587968 is 8697858211.

It is not an unprimeable number, because it can be changed into a prime (1128587963) by changing a digit.

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, 8817030 + ... + 8817157.

Almost surely, 2^1128587968 is an apocalyptic number.

It is an amenable number.

1128587968 is a deficient number, since it is larger than the sum of its proper divisors (1110953908).

1128587968 is an equidigital number, since it uses as much as digits as its factorization.

1128587968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634199 (or 17634189 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 55.

The square root of 1128587968 is about 33594.4633533563. The cubic root of 1128587968 is about 1041.1464084154.

The spelling of 1128587968 in words is "one billion, one hundred twenty-eight million, five hundred eighty-seven thousand, nine hundred sixty-eight".