5128805 has 8 divisors (see below), whose sum is σ = 6714144. Its totient is φ = 3730000.

The previous prime is 5128789. The next prime is 5128817. The reversal of 5128805 is 5088215.

5128805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5128805 - 2⁴ = 5128789 is a prime.

It is a Duffinian number.

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, 46571 + ... + 46680.

It is an arithmetic number, because the mean of its divisors is an integer number (839268).

Almost surely, 2^5128805 is an apocalyptic number.

5128805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5128805 is a deficient number, since it is larger than the sum of its proper divisors (1585339).

5128805 is a wasteful number, since it uses less digits than its factorization.

5128805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93267.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 5128805 is about 2264.6865125222. The cubic root of 5128805 is about 172.4535196480.

The spelling of 5128805 in words is "five million, one hundred twenty-eight thousand, eight hundred five".