1122000112 has 40 divisors (see below), whose sum is σ = 2266319232. Its totient is φ = 537504000.

The previous prime is 1122000101. The next prime is 1122000133. The reversal of 1122000112 is 2110002211.

It is a congruent number.

It is an unprimeable number.

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, 38898 + ... + 61294.

Almost surely, 2^1122000112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133159616).

1122000112 is an abundant number, since it is smaller than the sum of its proper divisors (1144319120).

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

1122000112 is a wasteful number, since it uses less digits than its factorization.

1122000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22537 (or 22531 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122000112 is about 33496.2701207164. The cubic root of 1122000112 is about 1039.1166414212.

Adding to 1122000112 its reverse (2110002211), we get a palindrome (3232002323).

The spelling of 1122000112 in words is "one billion, one hundred twenty-two million, one hundred twelve", and thus it is an aban number.