124268449 has 2 divisors, whose sum is σ = 124268450. Its totient is φ = 124268448.

The previous prime is 124268437. The next prime is 124268467. The reversal of 124268449 is 944862421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 14961424 = 10455^2 + 3868^2 .

It is an emirp because it is prime and its reverse (944862421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124268449 - 2⁷ = 124268321 is a prime.

It is not a weakly prime, because it can be changed into another prime (124268479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62134224 + 62134225.

It is an arithmetic number, because the mean of its divisors is an integer number (62134225).

Almost surely, 2^124268449 is an apocalyptic number.

It is an amenable number.

124268449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124268449 is an equidigital number, since it uses as much as digits as its factorization.

124268449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 124268449 is about 11147.5759248368. The cubic root of 124268449 is about 499.0226896402.

The spelling of 124268449 in words is "one hundred twenty-four million, two hundred sixty-eight thousand, four hundred forty-nine".