47128112 has 40 divisors (see below), whose sum is σ = 93870480. Its totient is φ = 22913280.

The previous prime is 47128099. The next prime is 47128117. The reversal of 47128112 is 21182174.

47128112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106163 + ... + 106605.

It is an arithmetic number, because the mean of its divisors is an integer number (2346762).

Almost surely, 2^47128112 is an apocalyptic number.

It is an amenable number.

47128112 is a deficient number, since it is larger than the sum of its proper divisors (46742368).

47128112 is a wasteful number, since it uses less digits than its factorization.

47128112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 615 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 47128112 is about 6864.9917698421. The cubic root of 47128112 is about 361.2102069409.

The spelling of 47128112 in words is "forty-seven million, one hundred twenty-eight thousand, one hundred twelve".