5123220 has 48 divisors (see below), whose sum is σ = 14501760. Its totient is φ = 1351296.

The previous prime is 5123219. The next prime is 5123221. The reversal of 5123220 is 223215.

It is an interprime number because it is at equal distance from previous prime (5123219) and next prime (5123221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 5123220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (302120).

Almost surely, 2^5123220 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 5123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7250880).

5123220 is an abundant number, since it is smaller than the sum of its proper divisors (9378540).

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

5123220 is a wasteful number, since it uses less digits than its factorization.

5123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5123220 is about 2263.4531141599. The cubic root of 5123220 is about 172.3908992958.

Adding to 5123220 its reverse (223215), we get a palindrome (5346435).

The spelling of 5123220 in words is "five million, one hundred twenty-three thousand, two hundred twenty".