120628 has 12 divisors (see below), whose sum is σ = 215460. Its totient is φ = 59072.

The previous prime is 120623. The next prime is 120641. The reversal of 120628 is 826021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51984 + 68644 = 228^2 + 262^2 .

It is a super-2 number, since 2×120628² = 29102228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120623) 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, 73 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2¹²⁰⁶²⁸ is an apocalyptic number.

It is an amenable number.

120628 is a deficient number, since it is larger than the sum of its proper divisors (94832).

120628 is a wasteful number, since it uses less digits than its factorization.

120628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120628 is about 347.3154186039. The cubic root of 120628 is about 49.4101352226.

Adding to 120628 its reverse (826021), we get a palindrome (946649).

The spelling of 120628 in words is "one hundred twenty thousand, six hundred twenty-eight".