5147128 has 32 divisors (see below), whose sum is σ = 11145600. Its totient is φ = 2182752.

The previous prime is 5147069. The next prime is 5147159. The reversal of 5147128 is 8217415.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5147096 and 5147105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (348300).

Almost surely, 2^5147128 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 5147128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5572800).

5147128 is an abundant number, since it is smaller than the sum of its proper divisors (5998472).

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

5147128 is a wasteful number, since it uses less digits than its factorization.

5147128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 5147128 is about 2268.7282781329. The cubic root of 5147128 is about 172.6586428263.

It can be divided in two parts, 51 and 47128, that multiplied together give a triangular number (2403528 = T₂₁₉₂).

The spelling of 5147128 in words is "five million, one hundred forty-seven thousand, one hundred twenty-eight".