1113582272 has 56 divisors (see below), whose sum is σ = 2418021072. Its totient is φ = 504627200.

The previous prime is 1113582271. The next prime is 1113582287. The reversal of 1113582272 is 2722853111.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1113582271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246272 + ... + 250752.

Almost surely, 2^1113582272 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 1113582272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209010536).

1113582272 is an abundant number, since it is smaller than the sum of its proper divisors (1304438800).

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

1113582272 is a wasteful number, since it uses less digits than its factorization.

1113582272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4847 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 1113582272 is about 33370.3801596566. The cubic root of 1113582272 is about 1036.5114472556.

It can be divided in two parts, 1113 and 582272, that added together give a palindrome (583385).

The spelling of 1113582272 in words is "one billion, one hundred thirteen million, five hundred eighty-two thousand, two hundred seventy-two".