1113321200 has 60 divisors (see below), whose sum is σ = 2698534128. Its totient is φ = 441369600.

The previous prime is 1113321199. The next prime is 1113321227. The reversal of 1113321200 is 21233111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32885 + ... + 57515.

Almost surely, 2^1113321200 is an apocalyptic number.

1113321200 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 1113321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349267064).

1113321200 is an abundant number, since it is smaller than the sum of its proper divisors (1585212928).

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

1113321200 is a wasteful number, since it uses less digits than its factorization.

1113321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24762 (or 24751 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1113321200 is about 33366.4681978779. The cubic root of 1113321200 is about 1036.4304398398.

Adding to 1113321200 its reverse (21233111), we get a palindrome (1134554311).

The spelling of 1113321200 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred".