124443149 has 2 divisors, whose sum is σ = 124443150. Its totient is φ = 124443148.

The previous prime is 124443131. The next prime is 124443157. The reversal of 124443149 is 941344421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 36421225 = 9382^2 + 6035^2 .

It is an emirp because it is prime and its reverse (941344421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124443149 - 2⁸ = 124442893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124443199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62221574 + 62221575.

It is an arithmetic number, because the mean of its divisors is an integer number (62221575).

Almost surely, 2^124443149 is an apocalyptic number.

It is an amenable number.

124443149 is a deficient number, since it is larger than the sum of its proper divisors (1).

124443149 is an equidigital number, since it uses as much as digits as its factorization.

124443149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 124443149 is about 11155.4089570934. The cubic root of 124443149 is about 499.2564267458.

The spelling of 124443149 in words is "one hundred twenty-four million, four hundred forty-three thousand, one hundred forty-nine".