120245 has 4 divisors (see below), whose sum is σ = 144300. Its totient is φ = 96192.

The previous prime is 120233. The next prime is 120247. The reversal of 120245 is 542021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 69169 = 226^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 120245 - 2⁶ = 120181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120247) 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, 12020 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (36075).

2¹²⁰²⁴⁵ is an apocalyptic number.

It is an amenable number.

120245 is a deficient number, since it is larger than the sum of its proper divisors (24055).

120245 is an equidigital number, since it uses as much as digits as its factorization.

120245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24054.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 120245 is about 346.7636082405. The cubic root of 120245 is about 49.3577865542.

Adding to 120245 its reverse (542021), we get a palindrome (662266).

The spelling of 120245 in words is "one hundred twenty thousand, two hundred forty-five".