124028249 has 2 divisors, whose sum is σ = 124028250. Its totient is φ = 124028248.

The previous prime is 124028237. The next prime is 124028263. The reversal of 124028249 is 942820421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 46676224 = 8795^2 + 6832^2 .

It is a cyclic number.

It is not a de Polignac number, because 124028249 - 2²⁰ = 122979673 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 (124028279) 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, 62014124 + 62014125.

It is an arithmetic number, because the mean of its divisors is an integer number (62014125).

Almost surely, 2^124028249 is an apocalyptic number.

It is an amenable number.

124028249 is a deficient number, since it is larger than the sum of its proper divisors (1).

124028249 is an equidigital number, since it uses as much as digits as its factorization.

124028249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 124028249 is about 11136.7970709715. The cubic root of 124028249 is about 498.7009599126.

The spelling of 124028249 in words is "one hundred twenty-four million, twenty-eight thousand, two hundred forty-nine".