245120 has 32 divisors (see below), whose sum is σ = 587520. Its totient is φ = 97792.

The previous prime is 245107. The next prime is 245129. The reversal of 245120 is 21542.

245120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 245095 and 245104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245129) by changing a digit.

245120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2²⁴⁵¹²⁰ is an apocalyptic number.

245120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293760).

245120 is an abundant number, since it is smaller than the sum of its proper divisors (342400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245120 is an equidigital number, since it uses as much as digits as its factorization.

245120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 390 counting only the distinct ones).

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

The square root of 245120 is about 495.0959502965. The cubic root of 245120 is about 62.5834618297.

Adding to 245120 its reverse (21542), we get a palindrome (266662).

The spelling of 245120 in words is "two hundred forty-five thousand, one hundred twenty".