1128006200 has 24 divisors (see below), whose sum is σ = 2622614880. Its totient is φ = 451202400.

The previous prime is 1128006199. The next prime is 1128006239. The reversal of 1128006200 is 26008211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 2819816 + ... + 2820215.

It is an arithmetic number, because the mean of its divisors is an integer number (109275620).

Almost surely, 2^1128006200 is an apocalyptic number.

1128006200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128006200 is an abundant number, since it is smaller than the sum of its proper divisors (1494608680).

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

1128006200 is a wasteful number, since it uses less digits than its factorization.

1128006200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640047 (or 5640038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1128006200 is about 33585.8035485233. The cubic root of 1128006200 is about 1040.9674798818.

The spelling of 1128006200 in words is "one billion, one hundred twenty-eight million, six thousand, two hundred".