245712120 has 64 divisors (see below), whose sum is σ = 746496000. Its totient is φ = 64691328.

The previous prime is 245712119. The next prime is 245712127. The reversal of 245712120 is 21217542.

245712120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245712127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480 + ... + 22439.

It is an arithmetic number, because the mean of its divisors is an integer number (11664000).

Almost surely, 2^245712120 is an apocalyptic number.

245712120 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 245712120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373248000).

245712120 is an abundant number, since it is smaller than the sum of its proper divisors (500783880).

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

245712120 is a wasteful number, since it uses less digits than its factorization.

245712120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26012 (or 26008 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 245712120 is about 15675.2071756644. The cubic root of 245712120 is about 626.3381420235.

Adding to 245712120 its reverse (21217542), we get a palindrome (266929662).

The spelling of 245712120 in words is "two hundred forty-five million, seven hundred twelve thousand, one hundred twenty".