120928 has 12 divisors (see below), whose sum is σ = 238140. Its totient is φ = 60448.

The previous prime is 120919. The next prime is 120929. The reversal of 120928 is 829021.

It is a junction number, because it is equal to n+sod(n) for n = 120899 and 120908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120929) by changing a digit.

120928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 1858 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (19845).

2¹²⁰⁹²⁸ is an apocalyptic number.

It is an amenable number.

120928 is a deficient number, since it is larger than the sum of its proper divisors (117212).

120928 is an equidigital number, since it uses as much as digits as its factorization.

120928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 120928 is about 347.7470344949. The cubic root of 120928 is about 49.4510620646.

Adding to 120928 its reverse (829021), we get a palindrome (949949).

It can be divided in two parts, 12092 and 8, that added together give a square (12100 = 110²).

The spelling of 120928 in words is "one hundred twenty thousand, nine hundred twenty-eight".