9924121043 has 4 divisors (see below), whose sum is σ = 9979563240. Its totient is φ = 9868678848.

The previous prime is 9924121033. The next prime is 9924121061. The reversal of 9924121043 is 3401214299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9924121043 - 2⁶ = 9924120979 is a prime.

It is a super-2 number, since 2×9924121043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9924120994 and 9924121012.

It is not an unprimeable number, because it can be changed into a prime (9924121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27720830 + ... + 27721187.

It is an arithmetic number, because the mean of its divisors is an integer number (2494890810).

Almost surely, 2^9924121043 is an apocalyptic number.

9924121043 is a deficient number, since it is larger than the sum of its proper divisors (55442197).

9924121043 is a wasteful number, since it uses less digits than its factorization.

9924121043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55442196.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9924121043 is about 99619.8827694552. The cubic root of 9924121043 is about 2148.9716403866.

The spelling of 9924121043 in words is "nine billion, nine hundred twenty-four million, one hundred twenty-one thousand, forty-three".