124827949 has 2 divisors, whose sum is σ = 124827950. Its totient is φ = 124827948.

The previous prime is 124827947. The next prime is 124828003. The reversal of 124827949 is 949728421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124768900 + 59049 = 11170^2 + 243^2 .

It is an emirp because it is prime and its reverse (949728421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124827949 - 2¹ = 124827947 is a prime.

Together with 124827947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124827899 and 124827908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124827947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62413974 + 62413975.

It is an arithmetic number, because the mean of its divisors is an integer number (62413975).

Almost surely, 2^124827949 is an apocalyptic number.

It is an amenable number.

124827949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124827949 is an equidigital number, since it uses as much as digits as its factorization.

124827949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 124827949 is about 11172.6428834005. The cubic root of 124827949 is about 499.7704933362.

The spelling of 124827949 in words is "one hundred twenty-four million, eight hundred twenty-seven thousand, nine hundred forty-nine".