1112031200 has 144 divisors (see below), whose sum is σ = 3285352224. Its totient is φ = 358809600.

The previous prime is 1112031169. The next prime is 1112031203. The reversal of 1112031200 is 21302111.

It is a super-2 number, since 2×1112031200² = 2473226779546880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112031203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89360 + ... + 101040.

It is an arithmetic number, because the mean of its divisors is an integer number (22814946).

Almost surely, 2^1112031200 is an apocalyptic number.

1112031200 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 1112031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642676112).

1112031200 is an abundant number, since it is smaller than the sum of its proper divisors (2173321024).

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

1112031200 is a wasteful number, since it uses less digits than its factorization.

1112031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725 (or 11712 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1112031200 is about 33347.1318106970. The cubic root of 1112031200 is about 1036.0299827839.

Adding to 1112031200 its reverse (21302111), we get a palindrome (1133333311).

The spelling of 1112031200 in words is "one billion, one hundred twelve million, thirty-one thousand, two hundred".