8143125 has 40 divisors (see below), whose sum is σ = 14020512. Its totient is φ = 4200000.

The previous prime is 8143097. The next prime is 8143129. The reversal of 8143125 is 5213418.

8143125 = T₃₅₀ + T₃₅₁ + ... + T₄₅₀.

It is not a de Polignac number, because 8143125 - 2²² = 3948821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8143095 and 8143104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143129) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80575 + ... + 80675.

Almost surely, 2^8143125 is an apocalyptic number.

It is an amenable number.

8143125 is a deficient number, since it is larger than the sum of its proper divisors (5877387).

8143125 is a wasteful number, since it uses less digits than its factorization.

8143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 152 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 8143125 is about 2853.6161269519. The cubic root of 8143125 is about 201.1856654307.

The spelling of 8143125 in words is "eight million, one hundred forty-three thousand, one hundred twenty-five".