308120 has 16 divisors (see below), whose sum is σ = 693360. Its totient is φ = 123232.

The previous prime is 308117. The next prime is 308129. The reversal of 308120 is 21803.

308120 is nontrivially palindromic in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 308095 and 308104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (43335).

2³⁰⁸¹²⁰ is an apocalyptic number.

It is an amenable number.

308120 is an abundant number, since it is smaller than the sum of its proper divisors (385240).

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

308120 is a wasteful number, since it uses less digits than its factorization.

308120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7710 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 308120 is about 555.0855789876. The cubic root of 308120 is about 67.5419035651.

Adding to 308120 its reverse (21803), we get a palindrome (329923).

The spelling of 308120 in words is "three hundred eight thousand, one hundred twenty".