125075995729 has 8 divisors (see below), whose sum is σ = 130633657920. Its totient is φ = 119632924656.

The previous prime is 125075995697. The next prime is 125075995757. The reversal of 125075995729 is 927599570521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125075995729 - 2⁵ = 125075995697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125075995829) 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, 28645549 + ... + 28649914.

It is an arithmetic number, because the mean of its divisors is an integer number (16329207240).

Almost surely, 2^125075995729 is an apocalyptic number.

It is an amenable number.

125075995729 is a deficient number, since it is larger than the sum of its proper divisors (5557662191).

125075995729 is an equidigital number, since it uses as much as digits as its factorization.

125075995729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57295559.

The product of its (nonzero) digits is 17860500, while the sum is 61.

The spelling of 125075995729 in words is "one hundred twenty-five billion, seventy-five million, nine hundred ninety-five thousand, seven hundred twenty-nine".