124531110103 has 4 divisors (see below), whose sum is σ = 124532476120. Its totient is φ = 124529744088.

The previous prime is 124531110101. The next prime is 124531110181. The reversal of 124531110103 is 301011135421.

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 124531110103 - 2¹ = 124531110101 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 (124531110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535668 + ... + 732121.

It is an arithmetic number, because the mean of its divisors is an integer number (31133119030).

Almost surely, 2^124531110103 is an apocalyptic number.

124531110103 is a deficient number, since it is larger than the sum of its proper divisors (1366017).

124531110103 is an equidigital number, since it uses as much as digits as its factorization.

124531110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366016.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 124531110103 its reverse (301011135421), we get a palindrome (425542245524).

The spelling of 124531110103 in words is "one hundred twenty-four billion, five hundred thirty-one million, one hundred ten thousand, one hundred three".