9112125440 has 176 divisors, whose sum is σ = 24159185280. Its totient is φ = 3271557120.

The previous prime is 9112125397. The next prime is 9112125479. The reversal of 9112125440 is 445212119.

It is a tau number, because it is divible by the number of its divisors (176).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115343321 + ... + 115343399.

Almost surely, 2^9112125440 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 9112125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12079592640).

9112125440 is an abundant number, since it is smaller than the sum of its proper divisors (15047059840).

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

9112125440 is an frugal number, since it uses more digits than its factorization.

9112125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 9112125440 is about 95457.4535591643. The cubic root of 9112125440 is about 2088.6863565688.

Adding to 9112125440 its reverse (445212119), we get a palindrome (9557337559).

The spelling of 9112125440 in words is "nine billion, one hundred twelve million, one hundred twenty-five thousand, four hundred forty".