124320013421 has 8 divisors (see below), whose sum is σ = 125826734880. Its totient is φ = 122813503792.

The previous prime is 124320013399. The next prime is 124320013423. The reversal of 124320013421 is 124310023421.

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

It is a cyclic number.

It is not a de Polignac number, because 124320013421 - 2²⁶ = 124252904557 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 (124320013423) 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, 1352306 + ... + 1441308.

It is an arithmetic number, because the mean of its divisors is an integer number (15728341860).

Almost surely, 2^124320013421 is an apocalyptic number.

It is an amenable number.

124320013421 is a deficient number, since it is larger than the sum of its proper divisors (1506721459).

124320013421 is an equidigital number, since it uses as much as digits as its factorization.

124320013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105915.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 124320013421 its reverse (124310023421), we get a palindrome (248630036842).

The spelling of 124320013421 in words is "one hundred twenty-four billion, three hundred twenty million, thirteen thousand, four hundred twenty-one".