2120120 has 16 divisors (see below), whose sum is σ = 4770360. Its totient is φ = 848032.

The previous prime is 2120119. The next prime is 2120143. The reversal of 2120120 is 210212.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 2120098 and 2120107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26462 + ... + 26541.

2^2120120 is an apocalyptic number.

2120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120120 is an abundant number, since it is smaller than the sum of its proper divisors (2650240).

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

2120120 is a wasteful number, since it uses less digits than its factorization.

2120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53014 (or 53010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2120120 is about 1456.0631854422. The cubic root of 2120120 is about 128.4655895588.

Adding to 2120120 its reverse (210212), we get a palindrome (2330332).

The spelling of 2120120 in words is "two million, one hundred twenty thousand, one hundred twenty".