5122128 has 80 divisors (see below), whose sum is σ = 14731200. Its totient is φ = 1520640.

The previous prime is 5122127. The next prime is 5122141. The reversal of 5122128 is 8212215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46938 + ... + 47046.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

Almost surely, 2^5122128 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 5122128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365600).

5122128 is an abundant number, since it is smaller than the sum of its proper divisors (9609072).

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

5122128 is a wasteful number, since it uses less digits than its factorization.

5122128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 5122128 is about 2263.2118769572. The cubic root of 5122128 is about 172.3786502130.

The spelling of 5122128 in words is "five million, one hundred twenty-two thousand, one hundred twenty-eight".