1128198300 has 108 divisors (see below), whose sum is σ = 3412828440. Its totient is φ = 287731840.

The previous prime is 1128198299. The next prime is 1128198311. The reversal of 1128198300 is 38918211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155146 + ... + 162254.

Almost surely, 2^1128198300 is an apocalyptic number.

1128198300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128198300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706414220).

1128198300 is an abundant number, since it is smaller than the sum of its proper divisors (2284630140).

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

1128198300 is a wasteful number, since it uses less digits than its factorization.

1128198300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7142 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1128198300 is about 33588.6632660486. The cubic root of 1128198300 is about 1041.0265689489.

The spelling of 1128198300 in words is "one billion, one hundred twenty-eight million, one hundred ninety-eight thousand, three hundred".