124120353103 has 4 divisors (see below), whose sum is σ = 125615779128. Its totient is φ = 122624927080.

The previous prime is 124120353073. The next prime is 124120353121. The reversal of 124120353103 is 301353021421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301353021421 = 123887 ⋅2432483.

It is not a de Polignac number, because 124120353103 - 2²¹ = 124118255951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124120354103) 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, 747712888 + ... + 747713053.

It is an arithmetic number, because the mean of its divisors is an integer number (31403944782).

Almost surely, 2^124120353103 is an apocalyptic number.

124120353103 is a deficient number, since it is larger than the sum of its proper divisors (1495426025).

124120353103 is an equidigital number, since it uses as much as digits as its factorization.

124120353103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495426024.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 124120353103 its reverse (301353021421), we get a palindrome (425473374524).

The spelling of 124120353103 in words is "one hundred twenty-four billion, one hundred twenty million, three hundred fifty-three thousand, one hundred three".