24012139 has 2 divisors, whose sum is σ = 24012140. Its totient is φ = 24012138.

The previous prime is 24012137. The next prime is 24012167. The reversal of 24012139 is 93121042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24012139 - 2¹ = 24012137 is a prime.

Together with 24012137, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24012137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12006069 + 12006070.

It is an arithmetic number, because the mean of its divisors is an integer number (12006070).

Almost surely, 2^24012139 is an apocalyptic number.

24012139 is a deficient number, since it is larger than the sum of its proper divisors (1).

24012139 is an equidigital number, since it uses as much as digits as its factorization.

24012139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 24012139 is about 4900.2182604451. The cubic root of 24012139 is about 288.4985377189.

The spelling of 24012139 in words is "twenty-four million, twelve thousand, one hundred thirty-nine".