9924573121 has 4 divisors (see below), whose sum is σ = 9927117232. Its totient is φ = 9922029012.

The previous prime is 9924573103. The next prime is 9924573143. The reversal of 9924573121 is 1213754299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9924573121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9924573101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266195 + ... + 1274008.

It is an arithmetic number, because the mean of its divisors is an integer number (2481779308).

Almost surely, 2^9924573121 is an apocalyptic number.

It is an amenable number.

9924573121 is a deficient number, since it is larger than the sum of its proper divisors (2544111).

9924573121 is a wasteful number, since it uses less digits than its factorization.

9924573121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544110.

The product of its digits is 136080, while the sum is 43.

The square root of 9924573121 is about 99622.1517585321. The cubic root of 9924573121 is about 2149.0042709187.

The spelling of 9924573121 in words is "nine billion, nine hundred twenty-four million, five hundred seventy-three thousand, one hundred twenty-one".