112147272 has 96 divisors (see below), whose sum is σ = 324386400. Its totient is φ = 34898688.

The previous prime is 112147271. The next prime is 112147289. The reversal of 112147272 is 272741211.

It is a happy number.

112147272 is a `hidden beast` number, since 1 + 121 + 472 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (112147271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99303 + ... + 100425.

It is an arithmetic number, because the mean of its divisors is an integer number (3379025).

Almost surely, 2^112147272 is an apocalyptic number.

112147272 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 112147272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162193200).

112147272 is an abundant number, since it is smaller than the sum of its proper divisors (212239128).

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

112147272 is a wasteful number, since it uses less digits than its factorization.

112147272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1220 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 112147272 is about 10589.9609064434. The cubic root of 112147272 is about 482.2396379592.

Adding to 112147272 its reverse (272741211), we get a palindrome (384888483).

The spelling of 112147272 in words is "one hundred twelve million, one hundred forty-seven thousand, two hundred seventy-two".