124511320103 has 4 divisors (see below), whose sum is σ = 124513086600. Its totient is φ = 124509553608.

The previous prime is 124511320097. The next prime is 124511320159. The reversal of 124511320103 is 301023115421.

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 124511320103 - 2²⁰ = 124510271527 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 (124514320103) 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, 772928 + ... + 920021.

It is an arithmetic number, because the mean of its divisors is an integer number (31128271650).

Almost surely, 2^124511320103 is an apocalyptic number.

124511320103 is a deficient number, since it is larger than the sum of its proper divisors (1766497).

124511320103 is an equidigital number, since it uses as much as digits as its factorization.

124511320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766496.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 124511320103 its reverse (301023115421), we get a palindrome (425534435524).

The spelling of 124511320103 in words is "one hundred twenty-four billion, five hundred eleven million, three hundred twenty thousand, one hundred three".