5128920 has 80 divisors (see below), whose sum is σ = 17249760. Its totient is φ = 1366848.

The previous prime is 5128909. The next prime is 5128943. The reversal of 5128920 is 298215.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2449 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (215622).

Almost surely, 2^5128920 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 5128920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8624880).

5128920 is an abundant number, since it is smaller than the sum of its proper divisors (12120840).

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

5128920 is a wasteful number, since it uses less digits than its factorization.

5128920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5128920 is about 2264.7119022074. The cubic root of 5128920 is about 172.4548085777.

The spelling of 5128920 in words is "five million, one hundred twenty-eight thousand, nine hundred twenty".