6551120 has 40 divisors (see below), whose sum is σ = 16130664. Its totient is φ = 2465792.

The previous prime is 6551117. The next prime is 6551141. The reversal of 6551120 is 211556.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 6210064 = 584^2 + 2492^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 6551092 and 6551101.

It is a congruent number.

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, 1049 + ... + 3768.

Almost surely, 2^6551120 is an apocalyptic number.

It is an amenable number.

6551120 is an abundant number, since it is smaller than the sum of its proper divisors (9579544).

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

6551120 is a wasteful number, since it uses less digits than its factorization.

6551120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 6551120 is about 2559.5155791673. The cubic root of 6551120 is about 187.1135269159.

Adding to 6551120 its reverse (211556), we get a palindrome (6762676).

The spelling of 6551120 in words is "six million, five hundred fifty-one thousand, one hundred twenty".