124255123 has 4 divisors (see below), whose sum is σ = 125089200. Its totient is φ = 123421048.

The previous prime is 124255097. The next prime is 124255151. The reversal of 124255123 is 321552421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321552421 = 809 ⋅397469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124255123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124255723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416815 + ... + 417112.

It is an arithmetic number, because the mean of its divisors is an integer number (31272300).

Almost surely, 2^124255123 is an apocalyptic number.

124255123 is a deficient number, since it is larger than the sum of its proper divisors (834077).

124255123 is an equidigital number, since it uses as much as digits as its factorization.

124255123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834076.

The product of its digits is 2400, while the sum is 25.

The square root of 124255123 is about 11146.9782003914. The cubic root of 124255123 is about 499.0048513390.

It can be divided in two parts, 1242 and 55123, that added together give a palindrome (56365).

The spelling of 124255123 in words is "one hundred twenty-four million, two hundred fifty-five thousand, one hundred twenty-three".