124123 has 2 divisors, whose sum is σ = 124124. Its totient is φ = 124122.

The previous prime is 124121. The next prime is 124133. The reversal of 124123 is 321421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124123 - 2¹ = 124121 is a prime.

Together with 124121, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (124121) 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, 62061 + 62062.

It is an arithmetic number, because the mean of its divisors is an integer number (62062).

2¹²⁴¹²³ is an apocalyptic number.

124123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124123 is an equidigital number, since it uses as much as digits as its factorization.

124123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 13.

The square root of 124123 is about 352.3109422087. The cubic root of 124123 is about 49.8827921276.

Adding to 124123 its reverse (321421), we get a palindrome (445544).

The spelling of 124123 in words is "one hundred twenty-four thousand, one hundred twenty-three", and thus it is an iban number.