124120534103 has 4 divisors (see below), whose sum is σ = 129517079088. Its totient is φ = 118723989120.

The previous prime is 124120534099. The next prime is 124120534157. The reversal of 124120534103 is 301435021421.

It is a happy number.

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 124120534103 - 2² = 124120534099 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 (124120534183) 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, 2698272458 + ... + 2698272503.

It is an arithmetic number, because the mean of its divisors is an integer number (32379269772).

Almost surely, 2^124120534103 is an apocalyptic number.

124120534103 is a deficient number, since it is larger than the sum of its proper divisors (5396544985).

124120534103 is an equidigital number, since it uses as much as digits as its factorization.

124120534103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396544984.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 124120534103 its reverse (301435021421), we get a palindrome (425555555524).

The spelling of 124120534103 in words is "one hundred twenty-four billion, one hundred twenty million, five hundred thirty-four thousand, one hundred three".