5278128 has 20 divisors (see below), whose sum is σ = 13635288. Its totient is φ = 1759360.

The previous prime is 5278127. The next prime is 5278139. The reversal of 5278128 is 8218725.

It is not an unprimeable number, because it can be changed into a prime (5278127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54933 + ... + 55028.

Almost surely, 2^5278128 is an apocalyptic number.

It is an amenable number.

5278128 is an abundant number, since it is smaller than the sum of its proper divisors (8357160).

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

5278128 is a wasteful number, since it uses less digits than its factorization.

5278128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109972 (or 109966 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 5278128 is about 2297.4176807886. The cubic root of 5278128 is about 174.1111721836. Note that the first 4 decimals are identical.

The spelling of 5278128 in words is "five million, two hundred seventy-eight thousand, one hundred twenty-eight".