124793009449 has 2 divisors, whose sum is σ = 124793009450. Its totient is φ = 124793009448.

The previous prime is 124793009447. The next prime is 124793009459. The reversal of 124793009449 is 944900397421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123001011225 + 1791998224 = 350715^2 + 42332^2 .

It is a cyclic number.

It is not a de Polignac number, because 124793009449 - 2¹ = 124793009447 is a prime.

Together with 124793009447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124793009396 and 124793009405.

It is not a weakly prime, because it can be changed into another prime (124793009447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62396504724 + 62396504725.

It is an arithmetic number, because the mean of its divisors is an integer number (62396504725).

Almost surely, 2^124793009449 is an apocalyptic number.

It is an amenable number.

124793009449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124793009449 is an equidigital number, since it uses as much as digits as its factorization.

124793009449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 124793009449 in words is "one hundred twenty-four billion, seven hundred ninety-three million, nine thousand, four hundred forty-nine".