124003405421 has 8 divisors (see below), whose sum is σ = 141901519104. Its totient is φ = 106151127120.

The previous prime is 124003405373. The next prime is 124003405429. The reversal of 124003405421 is 124504300421.

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-124003405421 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 (124003405429) 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, 11453045 + ... + 11463866.

It is an arithmetic number, because the mean of its divisors is an integer number (17737689888).

Almost surely, 2^124003405421 is an apocalyptic number.

It is an amenable number.

124003405421 is a deficient number, since it is larger than the sum of its proper divisors (17898113683).

124003405421 is an equidigital number, since it uses as much as digits as its factorization.

124003405421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22917691.

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

Adding to 124003405421 its reverse (124504300421), we get a palindrome (248507705842).

The spelling of 124003405421 in words is "one hundred twenty-four billion, three million, four hundred five thousand, four hundred twenty-one".