124340005421 has 8 divisors (see below), whose sum is σ = 126608180640. Its totient is φ = 122077187568.

The previous prime is 124340005411. The next prime is 124340005453. The reversal of 124340005421 is 124500043421.

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 124340005421 - 2⁶ = 124340005357 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 (124340005411) 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 7 ways as a sum of consecutive naturals, for example, 1292486 + ... + 1385351.

It is an arithmetic number, because the mean of its divisors is an integer number (15826022580).

Almost surely, 2^124340005421 is an apocalyptic number.

It is an amenable number.

124340005421 is a deficient number, since it is larger than the sum of its proper divisors (2268175219).

124340005421 is an equidigital number, since it uses as much as digits as its factorization.

124340005421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678683.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 124340005421 its reverse (124500043421), we get a palindrome (248840048842).

The spelling of 124340005421 in words is "one hundred twenty-four billion, three hundred forty million, five thousand, four hundred twenty-one".