120538 has 8 divisors (see below), whose sum is σ = 197280. Its totient is φ = 54780.

The previous prime is 120511. The next prime is 120539. The reversal of 120538 is 835021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (120539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (24660).

2¹²⁰⁵³⁸ is an apocalyptic number.

120538 is a deficient number, since it is larger than the sum of its proper divisors (76742).

120538 is a wasteful number, since it uses less digits than its factorization.

120538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120538 is about 347.1858292039. The cubic root of 120538 is about 49.3978439398.

Adding to 120538 its reverse (835021), we get a palindrome (955559).

The spelling of 120538 in words is "one hundred twenty thousand, five hundred thirty-eight".