124005449 has 2 divisors, whose sum is σ = 124005450. Its totient is φ = 124005448.

The previous prime is 124005407. The next prime is 124005461. The reversal of 124005449 is 944500421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123365449 + 640000 = 11107^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 124005449 - 2¹⁶ = 123939913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124005499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62002724 + 62002725.

It is an arithmetic number, because the mean of its divisors is an integer number (62002725).

Almost surely, 2^124005449 is an apocalyptic number.

It is an amenable number.

124005449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124005449 is an equidigital number, since it uses as much as digits as its factorization.

124005449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 124005449 is about 11135.7733902949. The cubic root of 124005449 is about 498.6703994588.

The spelling of 124005449 in words is "one hundred twenty-four million, five thousand, four hundred forty-nine".