1112412321 has 6 divisors (see below), whose sum is σ = 1606817810. Its totient is φ = 741608208.

The previous prime is 1112412313. The next prime is 1112412331. The reversal of 1112412321 is 1232142111.

It can be written as a sum of positive squares in only one way, i.e., 957036096 + 155376225 = 30936^2 + 12465^2 .

It is not a de Polignac number, because 1112412321 - 2³ = 1112412313 is a prime.

It is a super-2 number, since 2×1112412321² = 2474922343825214082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112412294 and 1112412303.

It is not an unprimeable number, because it can be changed into a prime (1112412331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61800676 + ... + 61800693.

Almost surely, 2^1112412321 is an apocalyptic number.

It is an amenable number.

1112412321 is a deficient number, since it is larger than the sum of its proper divisors (494405489).

1112412321 is a wasteful number, since it uses less digits than its factorization.

1112412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123601375 (or 123601372 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1112412321 is about 33352.8457706385. The cubic root of 1112412321 is about 1036.1483270902.

Adding to 1112412321 its reverse (1232142111), we get a palindrome (2344554432).

The spelling of 1112412321 in words is "one billion, one hundred twelve million, four hundred twelve thousand, three hundred twenty-one".