9124879140 has 144 divisors (see below), whose sum is σ = 30769729536. Its totient is φ = 2173651200.

The previous prime is 9124879133. The next prime is 9124879151. The reversal of 9124879140 is 419784219.

It is a happy number.

9124879140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9645 + ... + 135435.

Almost surely, 2^9124879140 is an apocalyptic number.

9124879140 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 9124879140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15384864768).

9124879140 is an abundant number, since it is smaller than the sum of its proper divisors (21644850396).

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

9124879140 is a wasteful number, since it uses less digits than its factorization.

9124879140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125850 (or 125845 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9124879140 is about 95524.2332604664. The cubic root of 9124879140 is about 2089.6603723063.

The spelling of 9124879140 in words is "nine billion, one hundred twenty-four million, eight hundred seventy-nine thousand, one hundred forty".