1113800 has 24 divisors (see below), whose sum is σ = 2590050. Its totient is φ = 445440.

The previous prime is 1113797. The next prime is 1113809. The reversal of 1113800 is 83111.

It can be written as a sum of positive squares in 3 ways, for example, as 643204 + 470596 = 802^2 + 686^2 .

It is not an unprimeable number, because it can be changed into a prime (1113809) 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 5 ways as a sum of consecutive naturals, for example, 2585 + ... + 2984.

2^1113800 is an apocalyptic number.

1113800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113800 is an abundant number, since it is smaller than the sum of its proper divisors (1476250).

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

1113800 is a wasteful number, since it uses less digits than its factorization.

1113800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1113800 is about 1055.3672346629. The cubic root of 1113800 is about 103.6578995882.

Adding to 1113800 its reverse (83111), we get a palindrome (1196911).

The spelling of 1113800 in words is "one million, one hundred thirteen thousand, eight hundred".