120530 has 16 divisors (see below), whose sum is σ = 230040. Its totient is φ = 45312.

The previous prime is 120511. The next prime is 120539. The reversal of 120530 is 35021.

120530 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 29929 = 301^2 + 173^2 .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120530.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 524.

2¹²⁰⁵³⁰ is an apocalyptic number.

120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120530 is a deficient number, since it is larger than the sum of its proper divisors (109510).

120530 is a wasteful number, since it uses less digits than its factorization.

120530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 120530 is about 347.1743078052. The cubic root of 120530 is about 49.3967510853.

Adding to 120530 its reverse (35021), we get a palindrome (155551).

The spelling of 120530 in words is "one hundred twenty thousand, five hundred thirty".