124442123 has 4 divisors (see below), whose sum is σ = 134014608. Its totient is φ = 114869640.

The previous prime is 124442119. The next prime is 124442141. The reversal of 124442123 is 321244421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124442123 - 2² = 124442119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124442183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786223 + ... + 4786248.

It is an arithmetic number, because the mean of its divisors is an integer number (33503652).

Almost surely, 2^124442123 is an apocalyptic number.

124442123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124442123 is a deficient number, since it is larger than the sum of its proper divisors (9572485).

124442123 is an equidigital number, since it uses as much as digits as its factorization.

124442123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572484.

The product of its digits is 1536, while the sum is 23.

The square root of 124442123 is about 11155.3629703385. The cubic root of 124442123 is about 499.2550546641.

Adding to 124442123 its reverse (321244421), we get a palindrome (445686544).

The spelling of 124442123 in words is "one hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-three".