8124040 has 32 divisors (see below), whose sum is σ = 18506880. Its totient is φ = 3209152.

The previous prime is 8124029. The next prime is 8124043. The reversal of 8124040 is 404218.

It is a junction number, because it is equal to n+sod(n) for n = 8123999 and 8124017.

It is not an unprimeable number, because it can be changed into a prime (8124043) 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, 2097 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^8124040 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 8124040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9253440).

8124040 is an abundant number, since it is smaller than the sum of its proper divisors (10382840).

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

8124040 is a wasteful number, since it uses less digits than its factorization.

8124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8124040 is about 2850.2701626337. The cubic root of 8124040 is about 201.0283698807.

Adding to 8124040 its reverse (404218), we get a palindrome (8528258).

The spelling of 8124040 in words is "eight million, one hundred twenty-four thousand, forty".