124004449 has 2 divisors, whose sum is σ = 124004450. Its totient is φ = 124004448.

The previous prime is 124004437. The next prime is 124004519. The reversal of 124004449 is 944400421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121881600 + 2122849 = 11040^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 124004449 - 2⁵ = 124004417 is a prime.

It is not a weakly prime, because it can be changed into another prime (124004429) 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, 62002224 + 62002225.

It is an arithmetic number, because the mean of its divisors is an integer number (62002225).

Almost surely, 2^124004449 is an apocalyptic number.

It is an amenable number.

124004449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124004449 is an equidigital number, since it uses as much as digits as its factorization.

124004449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 124004449 is about 11135.7284898654. The cubic root of 124004449 is about 498.6690590023.

The spelling of 124004449 in words is "one hundred twenty-four million, four thousand, four hundred forty-nine".