8112500 has 72 divisors (see below), whose sum is σ = 19686240. Its totient is φ = 2900000.

The previous prime is 8112497. The next prime is 8112521. The reversal of 8112500 is 52118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137471 + ... + 137529.

It is an arithmetic number, because the mean of its divisors is an integer number (273420).

Almost surely, 2^8112500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9843120).

8112500 is an abundant number, since it is smaller than the sum of its proper divisors (11573740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8112500 is a wasteful number, since it uses less digits than its factorization.

8112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 8112500 is about 2848.2450737252. The cubic root of 8112500 is about 200.9331394824.

Adding to 8112500 its reverse (52118), we get a palindrome (8164618).

The spelling of 8112500 in words is "eight million, one hundred twelve thousand, five hundred".