124672549 has 2 divisors, whose sum is σ = 124672550. Its totient is φ = 124672548.

The previous prime is 124672511. The next prime is 124672567. The reversal of 124672549 is 945276421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112211649 + 12460900 = 10593^2 + 3530^2 .

It is an emirp because it is prime and its reverse (945276421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124672549 - 2¹³ = 124664357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124672579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62336274 + 62336275.

It is an arithmetic number, because the mean of its divisors is an integer number (62336275).

Almost surely, 2^124672549 is an apocalyptic number.

It is an amenable number.

124672549 is a deficient number, since it is larger than the sum of its proper divisors (1).

124672549 is an equidigital number, since it uses as much as digits as its factorization.

124672549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 124672549 is about 11165.6862305906. The cubic root of 124672549 is about 499.5630168694.

The spelling of 124672549 in words is "one hundred twenty-four million, six hundred seventy-two thousand, five hundred forty-nine".