124347449 has 2 divisors, whose sum is σ = 124347450. Its totient is φ = 124347448.

The previous prime is 124347439. The next prime is 124347451. The reversal of 124347449 is 944743421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 31360000 = 9643^2 + 5600^2 .

It is an emirp because it is prime and its reverse (944743421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124347449 - 2⁸ = 124347193 is a prime.

It is a Sophie Germain prime.

Together with 124347451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124347409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62173724 + 62173725.

It is an arithmetic number, because the mean of its divisors is an integer number (62173725).

Almost surely, 2^124347449 is an apocalyptic number.

It is an amenable number.

124347449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124347449 is an equidigital number, since it uses as much as digits as its factorization.

124347449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 124347449 is about 11151.1187331137. The cubic root of 124347449 is about 499.1284135570.

The spelling of 124347449 in words is "one hundred twenty-four million, three hundred forty-seven thousand, four hundred forty-nine".