1128300 has 36 divisors (see below), whose sum is σ = 3265416. Its totient is φ = 300800.

The previous prime is 1128299. The next prime is 1128301. The reversal of 1128300 is 38211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1128299) and next prime (1128301).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1128300.

It is not an unprimeable number, because it can be changed into a prime (1128301) 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 in 11 ways as a sum of consecutive naturals, for example, 1581 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (90706).

2^1128300 is an apocalyptic number.

1128300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128300 is an abundant number, since it is smaller than the sum of its proper divisors (2137116).

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

1128300 is a wasteful number, since it uses less digits than its factorization.

1128300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1128300 is about 1062.2146675696. The cubic root of 1128300 is about 104.1057848681.

The spelling of 1128300 in words is "one million, one hundred twenty-eight thousand, three hundred".