3551120 has 20 divisors (see below), whose sum is σ = 8256540. Its totient is φ = 1420416.

The previous prime is 3551101. The next prime is 3551123. The reversal of 3551120 is 211553.

3551120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2598544 + 952576 = 1612^2 + 976^2 .

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

It is a super-2 number, since 2×3551120² = 25220906508800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22115 + ... + 22274.

It is an arithmetic number, because the mean of its divisors is an integer number (412827).

Almost surely, 2^3551120 is an apocalyptic number.

It is an amenable number.

3551120 is an abundant number, since it is smaller than the sum of its proper divisors (4705420).

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

3551120 is a wasteful number, since it uses less digits than its factorization.

3551120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44402 (or 44396 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3551120 is about 1884.4415618427. The cubic root of 3551120 is about 152.5650712181.

Adding to 3551120 its reverse (211553), we get a palindrome (3762673).

The spelling of 3551120 in words is "three million, five hundred fifty-one thousand, one hundred twenty".