1122031312 has 40 divisors (see below), whose sum is σ = 2234480000. Its totient is φ = 545605632.

The previous prime is 1122031291. The next prime is 1122031319. The reversal of 1122031312 is 2131302211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122031319) 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 7 ways as a sum of consecutive naturals, for example, 78064 + ... + 91312.

It is an arithmetic number, because the mean of its divisors is an integer number (55862000).

Almost surely, 2^1122031312 is an apocalyptic number.

It is an amenable number.

1122031312 is a deficient number, since it is larger than the sum of its proper divisors (1112448688).

1122031312 is a wasteful number, since it uses less digits than its factorization.

1122031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403 (or 13397 counting only the distinct ones).

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

The square root of 1122031312 is about 33496.7358409741. The cubic root of 1122031312 is about 1039.1262730717.

Adding to 1122031312 its reverse (2131302211), we get a palindrome (3253333523).

The spelling of 1122031312 in words is "one billion, one hundred twenty-two million, thirty-one thousand, three hundred twelve".