5121040 has 20 divisors (see below), whose sum is σ = 11906604. Its totient is φ = 2048384.

The previous prime is 5121037. The next prime is 5121041. The reversal of 5121040 is 401215.

It can be written as a sum of positive squares in 2 ways, for example, as 4064256 + 1056784 = 2016^2 + 1028^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 5121040.

It is not an unprimeable number, because it can be changed into a prime (5121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31927 + ... + 32086.

Almost surely, 2^5121040 is an apocalyptic number.

It is an amenable number.

5121040 is an abundant number, since it is smaller than the sum of its proper divisors (6785564).

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

5121040 is a wasteful number, since it uses less digits than its factorization.

5121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64026 (or 64020 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 5121040 is about 2262.9714978320. The cubic root of 5121040 is about 172.3664442671.

Adding to 5121040 its reverse (401215), we get a palindrome (5522255).

The spelling of 5121040 in words is "five million, one hundred twenty-one thousand, forty".