125878206672 has 120 divisors (see below), whose sum is σ = 364021582080. Its totient is φ = 40564177920.

The previous prime is 125878206667. The next prime is 125878206673. The reversal of 125878206672 is 276602878521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125878206673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4490203 + ... + 4518149.

It is an arithmetic number, because the mean of its divisors is an integer number (3033513184).

Almost surely, 2^125878206672 is an apocalyptic number.

125878206672 is a gapful number since it is divisible by the number (12) 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 125878206672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182010791040).

125878206672 is an abundant number, since it is smaller than the sum of its proper divisors (238143375408).

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

125878206672 is a wasteful number, since it uses less digits than its factorization.

125878206672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001 (or 28992 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 125878206672 in words is "one hundred twenty-five billion, eight hundred seventy-eight million, two hundred six thousand, six hundred seventy-two".