24315121 has 4 divisors (see below), whose sum is σ = 24832512. Its totient is φ = 23797732.

The previous prime is 24315101. The next prime is 24315133. The reversal of 24315121 is 12151342.

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 24315121 - 2⁵ = 24315089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24315101) 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, 258625 + ... + 258718.

It is an arithmetic number, because the mean of its divisors is an integer number (6208128).

Almost surely, 2^24315121 is an apocalyptic number.

It is an amenable number.

24315121 is a deficient number, since it is larger than the sum of its proper divisors (517391).

24315121 is an equidigital number, since it uses as much as digits as its factorization.

24315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517390.

The product of its digits is 240, while the sum is 19.

The square root of 24315121 is about 4931.0365036167. The cubic root of 24315121 is about 289.7068817926.

Adding to 24315121 its reverse (12151342), we get a palindrome (36466463).

The spelling of 24315121 in words is "twenty-four million, three hundred fifteen thousand, one hundred twenty-one".