8000000125 has 32 divisors (see below), whose sum is σ = 10779691104. Its totient is φ = 5892480000.

The previous prime is 8000000111. The next prime is 8000000149. The reversal of 8000000125 is 5210000008.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 6329316249 + 1670683876 = 79557^2 + 40874^2 .

It is a sliding number, since 8000000125 = 125 + 8000000000 and 1/125 + 1/8000000000 = 0.008000000125.

It is not a de Polignac number, because 8000000125 - 2⁹ = 7999999613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8000000099 and 8000000108.

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 31 ways as a sum of consecutive naturals, for example, 645487 + ... + 657763.

It is an arithmetic number, because the mean of its divisors is an integer number (336865347).

Almost surely, 2^8000000125 is an apocalyptic number.

It is an amenable number.

8000000125 is a deficient number, since it is larger than the sum of its proper divisors (2779690979).

8000000125 is a wasteful number, since it uses less digits than its factorization.

8000000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706 (or 12696 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 8000000125 is about 89442.7197987628. The cubic root of 8000000125 is about 2000.0000104167. Note that the first 4 decimals are identical.

It can be divided in two parts, 8000000 and 125, that multiplied together give a 9-th power (1000000000 = 10⁹).

The spelling of 8000000125 in words is "eight billion, one hundred twenty-five", and thus it is an aban number.