124221232420103 has 72 divisors (see below), whose sum is σ = 161618166833760. Its totient is φ = 94631315385600.

The previous prime is 124221232420069. The next prime is 124221232420141. The reversal of 124221232420103 is 301024232122421.

It is not a de Polignac number, because 124221232420103 - 2⁴⁰ = 123121720792327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124221232420193) 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 71 ways as a sum of consecutive naturals, for example, 191999453 + ... + 192645353.

It is an arithmetic number, because the mean of its divisors is an integer number (2244696761580).

Almost surely, 2^{124221232420103} is an apocalyptic number.

124221232420103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124221232420103 is a deficient number, since it is larger than the sum of its proper divisors (37396934413657).

124221232420103 is a wasteful number, since it uses less digits than its factorization.

124221232420103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646345 (or 646309 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 124221232420103 its reverse (301024232122421), we get a palindrome (425245464542524).

The spelling of 124221232420103 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, two hundred thirty-two million, four hundred twenty thousand, one hundred three".