120920 has 16 divisors (see below), whose sum is σ = 272160. Its totient is φ = 48352.

The previous prime is 120919. The next prime is 120929. The reversal of 120920 is 29021.

It is a junction number, because it is equal to n+sod(n) for n = 120895 and 120904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120929) 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, 1472 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2¹²⁰⁹²⁰ is an apocalyptic number.

120920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120920 is an abundant number, since it is smaller than the sum of its proper divisors (151240).

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

120920 is a wasteful number, since it uses less digits than its factorization.

120920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120920 is about 347.7355316904. The cubic root of 120920 is about 49.4499715611.

Adding to 120920 its reverse (29021), we get a palindrome (149941).

The spelling of 120920 in words is "one hundred twenty thousand, nine hundred twenty".