5124240 has 120 divisors (see below), whose sum is σ = 18802368. Its totient is φ = 1240320.

The previous prime is 5124187. The next prime is 5124247. The reversal of 5124240 is 424215.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5124247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7597 + ... + 8243.

Almost surely, 2^5124240 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 5124240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9401184).

5124240 is an abundant number, since it is smaller than the sum of its proper divisors (13678128).

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

5124240 is a wasteful number, since it uses less digits than its factorization.

5124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5124240 is about 2263.6784223913. The cubic root of 5124240 is about 172.4023391747.

Adding to 5124240 its reverse (424215), we get a palindrome (5548455).

The spelling of 5124240 in words is "five million, one hundred twenty-four thousand, two hundred forty".