1128982000 has 40 divisors (see below), whose sum is σ = 2729883312. Its totient is φ = 451592000.

The previous prime is 1128981989. The next prime is 1128982013. The reversal of 1128982000 is 2898211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 280246 + ... + 284245.

Almost surely, 2^1128982000 is an apocalyptic number.

1128982000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128982000 is an abundant number, since it is smaller than the sum of its proper divisors (1600901312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128982000 is an equidigital number, since it uses as much as digits as its factorization.

1128982000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564514 (or 564498 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1128982000 is about 33600.3273793575. The cubic root of 1128982000 is about 1041.2675619508.

The spelling of 1128982000 in words is "one billion, one hundred twenty-eight million, nine hundred eighty-two thousand".