124344101421 has 24 divisors (see below), whose sum is σ = 180330345624. Its totient is φ = 82562993280.

The previous prime is 124344101411. The next prime is 124344101443. The reversal of 124344101421 is 124101443421.

124344101421 is a `hidden beast` number, since 1 + 243 + 4 + 410 + 1 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5602522500 + 118741578921 = 74850^2 + 344589^2 .

It is not a de Polignac number, because 124344101421 - 2³¹ = 122196617773 is a prime.

It is a super-2 number, since 2×124344101421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124344101411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7063851 + ... + 7081431.

It is an arithmetic number, because the mean of its divisors is an integer number (7513764401).

Almost surely, 2^124344101421 is an apocalyptic number.

It is an amenable number.

124344101421 is a deficient number, since it is larger than the sum of its proper divisors (55986244203).

124344101421 is a wasteful number, since it uses less digits than its factorization.

124344101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20701 (or 20698 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 124344101421 its reverse (124101443421), we get a palindrome (248445544842).

The spelling of 124344101421 in words is "one hundred twenty-four billion, three hundred forty-four million, one hundred one thousand, four hundred twenty-one".