1112047872 has 144 divisors (see below), whose sum is σ = 3291068928. Its totient is φ = 331038720.

The previous prime is 1112047847. The next prime is 1112047901. The reversal of 1112047872 is 2787402111.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307708 + ... + 311300.

Almost surely, 2^1112047872 is an apocalyptic number.

1112047872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112047872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645534464).

1112047872 is an abundant number, since it is smaller than the sum of its proper divisors (2179021056).

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

1112047872 is a wasteful number, since it uses less digits than its factorization.

1112047872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1112047872 is about 33347.3817862812. The cubic root of 1112047872 is about 1036.0351602782.

Adding to 1112047872 its reverse (2787402111), we get a palindrome (3899449983).

The spelling of 1112047872 in words is "one billion, one hundred twelve million, forty-seven thousand, eight hundred seventy-two".