9112500 has 126 divisors (see below), whose sum is σ = 29884806. Its totient is φ = 2430000.

The previous prime is 9112489. The next prime is 9112507. The reversal of 9112500 is 52119.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 4210704 + 4901796 = 2052^2 + 2214^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9112507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1822498 + ... + 1822502.

It is an arithmetic number, because the mean of its divisors is an integer number (237181).

Almost surely, 2^9112500 is an apocalyptic number.

9112500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14942403).

9112500 is an abundant number, since it is smaller than the sum of its proper divisors (20772306).

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

9112500 is an frugal number, since it uses more digits than its factorization.

9112500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 9112500 is about 3018.6917696247. The cubic root of 9112500 is about 208.8714975126.

Adding to 9112500 its reverse (52119), we get a palindrome (9164619).

The spelling of 9112500 in words is "nine million, one hundred twelve thousand, five hundred".