1122751112 has 48 divisors (see below), whose sum is σ = 2458829520. Its totient is φ = 479220000.

The previous prime is 1122751079. The next prime is 1122751127. The reversal of 1122751112 is 2111572211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92687 + ... + 104097.

It is an arithmetic number, because the mean of its divisors is an integer number (51225615).

Almost surely, 2^1122751112 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 1122751112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229414760).

1122751112 is an abundant number, since it is smaller than the sum of its proper divisors (1336078408).

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

1122751112 is a wasteful number, since it uses less digits than its factorization.

1122751112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682 (or 11671 counting only the distinct ones).

The product of its digits is 280, while the sum is 23.

The square root of 1122751112 is about 33507.4784488478. The cubic root of 1122751112 is about 1039.3484306286.

The spelling of 1122751112 in words is "one billion, one hundred twenty-two million, seven hundred fifty-one thousand, one hundred twelve".