120424 has 8 divisors (see below), whose sum is σ = 225810. Its totient is φ = 60208.

The previous prime is 120413. The next prime is 120427. The reversal of 120424 is 424021.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 47524 = 270^2 + 218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7519 + ... + 7534.

2¹²⁰⁴²⁴ is an apocalyptic number.

It is an amenable number.

120424 is a deficient number, since it is larger than the sum of its proper divisors (105386).

120424 is a wasteful number, since it uses less digits than its factorization.

120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15059 (or 15055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 120424 is about 347.0216131598. The cubic root of 120424 is about 49.3822661955.

Adding to 120424 its reverse (424021), we get a palindrome (544445).

The spelling of 120424 in words is "one hundred twenty thousand, four hundred twenty-four", and thus it is an iban number.