1128582850 has 24 divisors (see below), whose sum is σ = 2171551860. Its totient is φ = 435865920.

The previous prime is 1128582809. The next prime is 1128582887. The reversal of 1128582850 is 582858211.

It can be written as a sum of positive squares in 6 ways, for example, as 201441249 + 927141601 = 14193^2 + 30449^2 .

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 11 ways as a sum of consecutive naturals, for example, 387717 + ... + 390616.

Almost surely, 2^1128582850 is an apocalyptic number.

1128582850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128582850 is a deficient number, since it is larger than the sum of its proper divisors (1042969010).

1128582850 is a wasteful number, since it uses less digits than its factorization.

1128582850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778374 (or 778369 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 1128582850 is about 33594.3871800037. The cubic root of 1128582850 is about 1041.1448345917.

The spelling of 1128582850 in words is "one billion, one hundred twenty-eight million, five hundred eighty-two thousand, eight hundred fifty".