124001100421 has 8 divisors (see below), whose sum is σ = 135313884000. Its totient is φ = 112694976240.

The previous prime is 124001100401. The next prime is 124001100463.

It is a happy number.

124001100421 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 124001100421 - 2⁵ = 124001100389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124001100395 and 124001100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124001100401) 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, 1625871 + ... + 1700428.

It is an arithmetic number, because the mean of its divisors is an integer number (16914235500).

Almost surely, 2^124001100421 is an apocalyptic number.

124001100421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124001100421 is a deficient number, since it is larger than the sum of its proper divisors (11312783579).

124001100421 is a wasteful number, since it uses less digits than its factorization.

124001100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329699.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 124001 and 100421, that added together give a palindrome (224422).

The spelling of 124001100421 in words is "one hundred twenty-four billion, one million, one hundred thousand, four hundred twenty-one".