1122500112 has 40 divisors (see below), whose sum is σ = 2911376160. Its totient is φ = 372672000.

The previous prime is 1122500087. The next prime is 1122500161. The reversal of 1122500112 is 2110052211.

It is a junction number, because it is equal to n+sod(n) for n = 1122500091 and 1122500100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34537 + ... + 58632.

It is an arithmetic number, because the mean of its divisors is an integer number (72784404).

Almost surely, 2^1122500112 is an apocalyptic number.

1122500112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122500112 is an abundant number, since it is smaller than the sum of its proper divisors (1788876048).

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

1122500112 is a wasteful number, since it uses less digits than its factorization.

1122500112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93431 (or 93425 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1122500112 is about 33503.7328069575. The cubic root of 1122500112 is about 1039.2709733019.

Adding to 1122500112 its reverse (2110052211), we get a palindrome (3232552323).

The spelling of 1122500112 in words is "one billion, one hundred twenty-two million, five hundred thousand, one hundred twelve".