124342123 has 2 divisors, whose sum is σ = 124342124. Its totient is φ = 124342122.

The previous prime is 124342037. The next prime is 124342133. The reversal of 124342123 is 321243421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124342123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124342094 and 124342103.

It is not a weakly prime, because it can be changed into another prime (124342133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62171061 + 62171062.

It is an arithmetic number, because the mean of its divisors is an integer number (62171062).

Almost surely, 2^124342123 is an apocalyptic number.

124342123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124342123 is an equidigital number, since it uses as much as digits as its factorization.

124342123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 124342123 is about 11150.8799204368. The cubic root of 124342123 is about 499.1212872993.

Adding to 124342123 its reverse (321243421), we get a palindrome (445585544).

The spelling of 124342123 in words is "one hundred twenty-four million, three hundred forty-two thousand, one hundred twenty-three".