24240121 has 4 divisors (see below), whose sum is σ = 24269200. Its totient is φ = 24211044.

The previous prime is 24240053. The next prime is 24240149. The reversal of 24240121 is 12104242.

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 not a de Polignac number, because 24240121 - 2¹⁵ = 24207353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24240095 and 24240104.

It is not an unprimeable number, because it can be changed into a prime (24240191) 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, 13251 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (6067300).

Almost surely, 2^24240121 is an apocalyptic number.

It is an amenable number.

24240121 is a deficient number, since it is larger than the sum of its proper divisors (29079).

24240121 is an equidigital number, since it uses as much as digits as its factorization.

24240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29078.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 24240121 is about 4923.4257382436. The cubic root of 24240121 is about 289.4087080140.

Adding to 24240121 its reverse (12104242), we get a palindrome (36344363).

The spelling of 24240121 in words is "twenty-four million, two hundred forty thousand, one hundred twenty-one".