3520120 has 16 divisors (see below), whose sum is σ = 7920360. Its totient is φ = 1408032.

The previous prime is 3520093. The next prime is 3520141. The reversal of 3520120 is 210253.

It is a self number, because there is not a number n which added to its sum of digits gives 3520120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43962 + ... + 44041.

Almost surely, 2^3520120 is an apocalyptic number.

It is an amenable number.

3520120 is an abundant number, since it is smaller than the sum of its proper divisors (4400240).

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

3520120 is a wasteful number, since it uses less digits than its factorization.

3520120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88014 (or 88010 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3520120 is about 1876.1982837643. The cubic root of 3520120 is about 152.1198270256.

Adding to 3520120 its reverse (210253), we get a palindrome (3730373).

The spelling of 3520120 in words is "three million, five hundred twenty thousand, one hundred twenty".