124123441123421 has 8 divisors (see below), whose sum is σ = 131974714661760. Its totient is φ = 116333266990528.

The previous prime is 124123441123391. The next prime is 124123441123459. The reversal of 124123441123421 is 124321144321421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124123441123421 - 2²⁶ = 124123374014557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124123441123021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15274847171 + ... + 15274855296.

It is an arithmetic number, because the mean of its divisors is an integer number (16496839332720).

Almost surely, 2^{124123441123421} is an apocalyptic number.

It is an amenable number.

124123441123421 is a deficient number, since it is larger than the sum of its proper divisors (7851273538339).

124123441123421 is a wasteful number, since it uses less digits than its factorization.

124123441123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30549702723.

The product of its digits is 36864, while the sum is 35.

Adding to 124123441123421 its reverse (124321144321421), we get a palindrome (248444585444842).

The spelling of 124123441123421 in words is "one hundred twenty-four trillion, one hundred twenty-three billion, four hundred forty-one million, one hundred twenty-three thousand, four hundred twenty-one".