3120120 has 112 divisors (see below), whose sum is σ = 10623960. Its totient is φ = 824256.

The previous prime is 3120107. The next prime is 3120127. The reversal of 3120120 is 210213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120127) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29107 + ... + 29213.

Almost surely, 2^3120120 is an apocalyptic number.

3120120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5311980).

3120120 is an abundant number, since it is smaller than the sum of its proper divisors (7503840).

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

3120120 is a wasteful number, since it uses less digits than its factorization.

3120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3120120 is about 1766.3861412500. The cubic root of 3120120 is about 146.1247448274.

Adding to 3120120 its reverse (210213), we get a palindrome (3330333).

It can be divided in two parts, 3120 and 120, that added together give a triangular number (3240 = T₈₀).

The spelling of 3120120 in words is "three million, one hundred twenty thousand, one hundred twenty".