9129054720 has 80 divisors (see below), whose sum is σ = 29184471360. Its totient is φ = 2434412544.

The previous prime is 9129054709. The next prime is 9129054731. The reversal of 9129054720 is 274509219.

It is an interprime number because it is at equal distance from previous prime (9129054709) and next prime (9129054731).

It is a tau number, because it is divible by the number of its divisors (80).

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, 586660 + ... + 602019.

It is an arithmetic number, because the mean of its divisors is an integer number (364805892).

Almost surely, 2^9129054720 is an apocalyptic number.

It is an amenable number.

9129054720 is an abundant number, since it is smaller than the sum of its proper divisors (20055416640).

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

9129054720 is a wasteful number, since it uses less digits than its factorization.

9129054720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188705 (or 1188689 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 9129054720 is about 95546.0868900448. The cubic root of 9129054720 is about 2089.9790692561.

The spelling of 9129054720 in words is "nine billion, one hundred twenty-nine million, fifty-four thousand, seven hundred twenty".