1112342321 has 4 divisors (see below), whose sum is σ = 1115116644. Its totient is φ = 1109568000.

The previous prime is 1112342267. The next prime is 1112342369. The reversal of 1112342321 is 1232432111.

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 689587600 + 422754721 = 26260^2 + 20561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112342321 - 2¹⁴ = 1112325937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112342293 and 1112342302.

It is not an unprimeable number, because it can be changed into a prime (1112345321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386560 + ... + 1387361.

It is an arithmetic number, because the mean of its divisors is an integer number (278779161).

Almost surely, 2^1112342321 is an apocalyptic number.

It is an amenable number.

1112342321 is a deficient number, since it is larger than the sum of its proper divisors (2774323).

1112342321 is an equidigital number, since it uses as much as digits as its factorization.

1112342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774322.

The product of its digits is 288, while the sum is 20.

The square root of 1112342321 is about 33351.7963684117. The cubic root of 1112342321 is about 1036.1265929715.

Adding to 1112342321 its reverse (1232432111), we get a palindrome (2344774432).

It can be divided in two parts, 111 and 2342321, that added together give a palindrome (2342432).

The spelling of 1112342321 in words is "one billion, one hundred twelve million, three hundred forty-two thousand, three hundred twenty-one".