124247 has 2 divisors, whose sum is σ = 124248. Its totient is φ = 124246.

The previous prime is 124231. The next prime is 124249. The reversal of 124247 is 742421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124247 - 2⁴ = 124231 is a prime.

Together with 124249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62123 + 62124.

It is an arithmetic number, because the mean of its divisors is an integer number (62124).

2¹²⁴²⁴⁷ is an apocalyptic number.

124247 is a deficient number, since it is larger than the sum of its proper divisors (1).

124247 is an equidigital number, since it uses as much as digits as its factorization.

124247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 20.

The square root of 124247 is about 352.4868791884. The cubic root of 124247 is about 49.8993977194.

Adding to 124247 its reverse (742421), we get a palindrome (866668).

It can be divided in two parts, 12424 and 7, that multiplied together give a palindrome (86968).

The spelling of 124247 in words is "one hundred twenty-four thousand, two hundred forty-seven", and thus it is an iban number.