8120120 has 32 divisors (see below), whose sum is σ = 18699120. Its totient is φ = 3171840.

The previous prime is 8120117. The next prime is 8120129. The reversal of 8120120 is 210218.

It is a junction number, because it is equal to n+sod(n) for n = 8120095 and 8120104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 4080.

Almost surely, 2^8120120 is an apocalyptic number.

It is an amenable number.

8120120 is an abundant number, since it is smaller than the sum of its proper divisors (10579000).

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

8120120 is a wasteful number, since it uses less digits than its factorization.

8120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 8120120 is about 2849.5824255494. The cubic root of 8120120 is about 200.9960313730.

Adding to 8120120 its reverse (210218), we get a palindrome (8330338).

The spelling of 8120120 in words is "eight million, one hundred twenty thousand, one hundred twenty".