5122720 has 48 divisors (see below), whose sum is σ = 12260808. Its totient is φ = 2022400.

The previous prime is 5122717. The next prime is 5122727. The reversal of 5122720 is 272215.

5122720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4177936 + 944784 = 2044^2 + 972^2 .

It is not an unprimeable number, because it can be changed into a prime (5122727) 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, 16002 + ... + 16318.

Almost surely, 2^5122720 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 5122720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6130404).

5122720 is an abundant number, since it is smaller than the sum of its proper divisors (7138088).

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

5122720 is a wasteful number, since it uses less digits than its factorization.

5122720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 5122720 is about 2263.3426607564. The cubic root of 5122720 is about 172.3852909575.

Adding to 5122720 its reverse (272215), we get a palindrome (5394935).

The spelling of 5122720 in words is "five million, one hundred twenty-two thousand, seven hundred twenty".