125925938420 has 24 divisors (see below), whose sum is σ = 265091051400. Its totient is φ = 50247217152.

The previous prime is 125925938419. The next prime is 125925938429. The reversal of 125925938420 is 24839529521.

It can be written as a sum of positive squares in 4 ways, for example, as 24472222096 + 101453716324 = 156436^2 + 318518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125925938429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7689005 + ... + 7705364.

It is an arithmetic number, because the mean of its divisors is an integer number (11045460475).

Almost surely, 2^125925938420 is an apocalyptic number.

125925938420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125925938420 is an abundant number, since it is smaller than the sum of its proper divisors (139165112980).

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

125925938420 is a wasteful number, since it uses less digits than its factorization.

125925938420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394787 (or 15394785 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 125925938420 in words is "one hundred twenty-five billion, nine hundred twenty-five million, nine hundred thirty-eight thousand, four hundred twenty".