1112624321 has 4 divisors (see below), whose sum is σ = 1112782212. Its totient is φ = 1112466432.

The previous prime is 1112624309. The next prime is 1112624327. The reversal of 1112624321 is 1234262111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111534721 + 1001089600 = 10561^2 + 31640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112624321 is a prime.

It is a super-2 number, since 2×1112624321² = 2475865759361422082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112624327) 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 3 ways as a sum of consecutive naturals, for example, 67856 + ... + 82641.

It is an arithmetic number, because the mean of its divisors is an integer number (278195553).

Almost surely, 2^1112624321 is an apocalyptic number.

It is an amenable number.

1112624321 is a deficient number, since it is larger than the sum of its proper divisors (157891).

1112624321 is an equidigital number, since it uses as much as digits as its factorization.

1112624321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157890.

The product of its digits is 576, while the sum is 23.

The square root of 1112624321 is about 33356.0237588355. The cubic root of 1112624321 is about 1036.2141448595.

Adding to 1112624321 its reverse (1234262111), we get a palindrome (2346886432).

The spelling of 1112624321 in words is "one billion, one hundred twelve million, six hundred twenty-four thousand, three hundred twenty-one".