124047449 has 2 divisors, whose sum is σ = 124047450. Its totient is φ = 124047448.

The previous prime is 124047439. The next prime is 124047457. The reversal of 124047449 is 944740421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123921424 + 126025 = 11132^2 + 355^2 .

It is an emirp because it is prime and its reverse (944740421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124047449 - 2²⁰ = 122998873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124047439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62023724 + 62023725.

It is an arithmetic number, because the mean of its divisors is an integer number (62023725).

Almost surely, 2^124047449 is an apocalyptic number.

It is an amenable number.

124047449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124047449 is an equidigital number, since it uses as much as digits as its factorization.

124047449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 124047449 is about 11137.6590448801. The cubic root of 124047449 is about 498.7266921267.

The spelling of 124047449 in words is "one hundred twenty-four million, forty-seven thousand, four hundred forty-nine".