125024937338728 has 128 divisors (see below), whose sum is σ = 274692693623040. Its totient is φ = 52230769920000.

The previous prime is 125024937338723. The next prime is 125024937338747. The reversal of 125024937338728 is 827833739420521.

It is a self number, because there is not a number n which added to its sum of digits gives 125024937338728.

It is not an unprimeable number, because it can be changed into a prime (125024937338723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4661443558 + ... + 4661470378.

It is an arithmetic number, because the mean of its divisors is an integer number (2146036668930).

Almost surely, 2^{125024937338728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125024937338728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137346346811520).

125024937338728 is an abundant number, since it is smaller than the sum of its proper divisors (149667756284312).

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

125024937338728 is a wasteful number, since it uses less digits than its factorization.

125024937338728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30699 (or 30695 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 125024937338728 in words is "one hundred twenty-five trillion, twenty-four billion, nine hundred thirty-seven million, three hundred thirty-eight thousand, seven hundred twenty-eight".