500000125 has 16 divisors (see below), whose sum is σ = 639226224. Its totient is φ = 390240000.

The previous prime is 500000117. The next prime is 500000183. The reversal of 500000125 is 521000005.

It can be written as a sum of positive squares in 8 ways, for example, as 423577561 + 76422564 = 20581^2 + 8742^2 .

It is not a de Polignac number, because 500000125 - 2³ = 500000117 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 43656 + ... + 53905.

It is an arithmetic number, because the mean of its divisors is an integer number (39951639).

Almost surely, 2^500000125 is an apocalyptic number.

It is an amenable number.

500000125 is a deficient number, since it is larger than the sum of its proper divisors (139226099).

500000125 is an equidigital number, since it uses as much as digits as its factorization.

500000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97617 (or 97607 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 500000125 is about 22360.6825700827. The cubic root of 500000125 is about 793.7005921258.

The spelling of 500000125 in words is "five hundred million, one hundred twenty-five", and thus it is an aban number.