124120123 has 2 divisors, whose sum is σ = 124120124. Its totient is φ = 124120122.

The previous prime is 124120093. The next prime is 124120127. The reversal of 124120123 is 321021421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124120123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124120097 and 124120106.

It is not a weakly prime, because it can be changed into another prime (124120127) 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, 62060061 + 62060062.

It is an arithmetic number, because the mean of its divisors is an integer number (62060062).

Almost surely, 2^124120123 is an apocalyptic number.

124120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124120123 is an equidigital number, since it uses as much as digits as its factorization.

124120123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124120123 is about 11140.9211019556. The cubic root of 124120123 is about 498.8240671989.

Adding to 124120123 its reverse (321021421), we get a palindrome (445141544).

The spelling of 124120123 in words is "one hundred twenty-four million, one hundred twenty thousand, one hundred twenty-three".