124246642421 has 8 divisors (see below), whose sum is σ = 135643949184. Its totient is φ = 112866361920.

The previous prime is 124246642397. The next prime is 124246642427.

124246642421 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124246642421 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 (124246642427) 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, 4241300 + ... + 4270493.

It is an arithmetic number, because the mean of its divisors is an integer number (16955493648).

Almost surely, 2^124246642421 is an apocalyptic number.

124246642421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124246642421 is a deficient number, since it is larger than the sum of its proper divisors (11397306763).

124246642421 is a wasteful number, since it uses less digits than its factorization.

124246642421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513131.

The product of its digits is 147456, while the sum is 38.

It can be divided in two parts, 124246 and 642421, that added together give a palindrome (766667).

The spelling of 124246642421 in words is "one hundred twenty-four billion, two hundred forty-six million, six hundred forty-two thousand, four hundred twenty-one".