225123125720 has 64 divisors (see below), whose sum is σ = 509037419520. Its totient is φ = 89604071424.

The previous prime is 225123125683. The next prime is 225123125743. The reversal of 225123125720 is 27521321522.

It is a happy number.

225123125720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6616592 + ... + 6650528.

It is an arithmetic number, because the mean of its divisors is an integer number (7953709680).

Almost surely, 2^225123125720 is an apocalyptic number.

225123125720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225123125720 is an abundant number, since it is smaller than the sum of its proper divisors (283914293800).

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

225123125720 is a wasteful number, since it uses less digits than its factorization.

225123125720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764 (or 34760 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 225123125720 in words is "two hundred twenty-five billion, one hundred twenty-three million, one hundred twenty-five thousand, seven hundred twenty".