24450121 has 2 divisors, whose sum is σ = 24450122. Its totient is φ = 24450120.

The previous prime is 24450113. The next prime is 24450133. The reversal of 24450121 is 12105442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 5405625 = 4364^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 24450121 - 2³ = 24450113 is a prime.

It is not a weakly prime, because it can be changed into another prime (24450191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12225060 + 12225061.

It is an arithmetic number, because the mean of its divisors is an integer number (12225061).

Almost surely, 2^24450121 is an apocalyptic number.

It is an amenable number.

24450121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24450121 is an equidigital number, since it uses as much as digits as its factorization.

24450121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 24450121 is about 4944.7063613525. The cubic root of 24450121 is about 290.2420531619.

Adding to 24450121 its reverse (12105442), we get a palindrome (36555563).

The spelling of 24450121 in words is "twenty-four million, four hundred fifty thousand, one hundred twenty-one".