1112321320 has 32 divisors (see below), whose sum is σ = 2730244320. Its totient is φ = 404480320.

The previous prime is 1112321311. The next prime is 1112321321. The reversal of 1112321320 is 231232111.

It is a junction number, because it is equal to n+sod(n) for n = 1112321294 and 1112321303.

It is not an unprimeable number, because it can be changed into a prime (1112321321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263562 + ... + 1264441.

It is an arithmetic number, because the mean of its divisors is an integer number (85320135).

Almost surely, 2^1112321320 is an apocalyptic number.

1112321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112321320 is an abundant number, since it is smaller than the sum of its proper divisors (1617923000).

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

1112321320 is a wasteful number, since it uses less digits than its factorization.

1112321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528025 (or 2528021 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1112321320 is about 33351.4815263130. The cubic root of 1112321320 is about 1036.1200722476.

Adding to 1112321320 its reverse (231232111), we get a palindrome (1343553431).

The spelling of 1112321320 in words is "one billion, one hundred twelve million, three hundred twenty-one thousand, three hundred twenty".