5128780 has 24 divisors (see below), whose sum is σ = 10881360. Its totient is φ = 2030400.

The previous prime is 5128771. The next prime is 5128789. The reversal of 5128780 is 878215.

It is an interprime number because it is at equal distance from previous prime (5128771) and next prime (5128789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (453390).

Almost surely, 2^5128780 is an apocalyptic number.

It is an amenable number.

5128780 is an abundant number, since it is smaller than the sum of its proper divisors (5752580).

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

5128780 is a wasteful number, since it uses less digits than its factorization.

5128780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5128780 is about 2264.6809929878. The cubic root of 5128780 is about 172.4532394434.

The spelling of 5128780 in words is "five million, one hundred twenty-eight thousand, seven hundred eighty".