8125112187 has 10 divisors (see below), whose sum is σ = 12137513388. Its totient is φ = 5416741404.

The previous prime is 8125112179. The next prime is 8125112189. The reversal of 8125112187 is 7812115218.

It is not a de Polignac number, because 8125112187 - 2³ = 8125112179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8125112189) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50154933 + ... + 50155094.

Almost surely, 2^8125112187 is an apocalyptic number.

8125112187 is a deficient number, since it is larger than the sum of its proper divisors (4012401201).

8125112187 is a wasteful number, since it uses less digits than its factorization.

8125112187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100310039 (or 100310030 counting only the distinct ones).

The product of its digits is 8960, while the sum is 36.

The square root of 8125112187 is about 90139.4041859608. The cubic root of 8125112187 is about 2010.3721320347.

The spelling of 8125112187 in words is "eight billion, one hundred twenty-five million, one hundred twelve thousand, one hundred eighty-seven".