302120 has 64 divisors (see below), whose sum is σ = 846720. Its totient is φ = 94464.

The previous prime is 302111. The next prime is 302123. The reversal of 302120 is 21203.

302120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 302098 and 302107.

It is not an unprimeable number, because it can be changed into a prime (302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3599 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

2³⁰²¹²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423360).

302120 is an abundant number, since it is smaller than the sum of its proper divisors (544600).

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

302120 is a wasteful number, since it uses less digits than its factorization.

302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 302120 is about 549.6544368965. The cubic root of 302120 is about 67.1006136657.

Adding to 302120 its reverse (21203), we get a palindrome (323323).

The spelling of 302120 in words is "three hundred two thousand, one hundred twenty", and thus it is an iban number.