125271757904 has 40 divisors (see below), whose sum is σ = 258566679840. Its totient is φ = 58624311168.

The previous prime is 125271757903. The next prime is 125271757921. The reversal of 125271757904 is 409757172521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125271757903) 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 7 ways as a sum of consecutive naturals, for example, 2457167 + ... + 2507630.

It is an arithmetic number, because the mean of its divisors is an integer number (6464166996).

Almost surely, 2^125271757904 is an apocalyptic number.

It is an amenable number.

125271757904 is an abundant number, since it is smaller than the sum of its proper divisors (133294921936).

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

125271757904 is a wasteful number, since it uses less digits than its factorization.

125271757904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964907 (or 4964901 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 125271757904 in words is "one hundred twenty-five billion, two hundred seventy-one million, seven hundred fifty-seven thousand, nine hundred four".