1112689448 has 64 divisors (see below), whose sum is σ = 2329689600. Its totient is φ = 494749440.

The previous prime is 1112689441. The next prime is 1112689453. The reversal of 1112689448 is 8449862111.

It is a Cunningham number, because it is equal to 33357²-1.

It is a junction number, because it is equal to n+sod(n) for n = 1112689399 and 1112689408.

It is not an unprimeable number, because it can be changed into a prime (1112689441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866615 + ... + 867897.

It is an arithmetic number, because the mean of its divisors is an integer number (36401400).

Almost surely, 2^1112689448 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 1112689448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164844800).

1112689448 is an abundant number, since it is smaller than the sum of its proper divisors (1217000152).

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

1112689448 is a wasteful number, since it uses less digits than its factorization.

1112689448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 1112689448 is about 33356.9999850106. Note that the first 4 decimals coincide. The cubic root of 1112689448 is about 1036.2343625858.

The spelling of 1112689448 in words is "one billion, one hundred twelve million, six hundred eighty-nine thousand, four hundred forty-eight".