24128129 has 2 divisors, whose sum is σ = 24128130. Its totient is φ = 24128128.

The previous prime is 24128113. The next prime is 24128171. The reversal of 24128129 is 92182142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14047504 + 10080625 = 3748^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 24128129 - 2⁴ = 24128113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24121129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12064064 + 12064065.

It is an arithmetic number, because the mean of its divisors is an integer number (12064065).

Almost surely, 2^24128129 is an apocalyptic number.

It is an amenable number.

24128129 is a deficient number, since it is larger than the sum of its proper divisors (1).

24128129 is an equidigital number, since it uses as much as digits as its factorization.

24128129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 24128129 is about 4912.0391895831. The cubic root of 24128129 is about 288.9623199319.

The spelling of 24128129 in words is "twenty-four million, one hundred twenty-eight thousand, one hundred twenty-nine".