125404287875 has 8 divisors (see below), whose sum is σ = 156504551424. Its totient is φ = 100323430200.

The previous prime is 125404287859. The next prime is 125404287887. The reversal of 125404287875 is 578782404521.

It is not a de Polignac number, because 125404287875 - 2⁴ = 125404287859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 501617027 + ... + 501617276.

It is an arithmetic number, because the mean of its divisors is an integer number (19563068928).

Almost surely, 2^125404287875 is an apocalyptic number.

125404287875 is a deficient number, since it is larger than the sum of its proper divisors (31100263549).

125404287875 is an equidigital number, since it uses as much as digits as its factorization.

125404287875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003234318 (or 1003234308 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 53.

The spelling of 125404287875 in words is "one hundred twenty-five billion, four hundred four million, two hundred eighty-seven thousand, eight hundred seventy-five".