2521120 has 48 divisors (see below), whose sum is σ = 6810048. Its totient is φ = 864000.

The previous prime is 2521111. The next prime is 2521147. The reversal of 2521120 is 211252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6 + ... + 2245.

It is an arithmetic number, because the mean of its divisors is an integer number (141876).

2^2521120 is an apocalyptic number.

2521120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3405024).

2521120 is an abundant number, since it is smaller than the sum of its proper divisors (4288928).

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

2521120 is a wasteful number, since it uses less digits than its factorization.

2521120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2265 counting only the distinct ones).

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

The square root of 2521120 is about 1587.8035142926. The cubic root of 2521120 is about 136.1019996060.

Adding to 2521120 its reverse (211252), we get a palindrome (2732372).

The spelling of 2521120 in words is "two million, five hundred twenty-one thousand, one hundred twenty".