124142404221443 has 16 divisors (see below), whose sum is σ = 131623710624000. Its totient is φ = 116755942262112.

The previous prime is 124142404221413. The next prime is 124142404221467. The reversal of 124142404221443 is 344122404241421.

It is a cyclic number.

It is not a de Polignac number, because 124142404221443 - 2³⁶ = 124073684744707 is a prime.

It is a super-2 number, since 2×124142404221443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124142404221397 and 124142404221406.

It is not an unprimeable number, because it can be changed into a prime (124142404221413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46121021 + ... + 48738417.

It is an arithmetic number, because the mean of its divisors is an integer number (8226481914000).

Almost surely, 2^{124142404221443} is an apocalyptic number.

124142404221443 is a deficient number, since it is larger than the sum of its proper divisors (7481306402557).

124142404221443 is a wasteful number, since it uses less digits than its factorization.

124142404221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635514.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 124142404221443 its reverse (344122404241421), we get a palindrome (468264808462864).

The spelling of 124142404221443 in words is "one hundred twenty-four trillion, one hundred forty-two billion, four hundred four million, two hundred twenty-one thousand, four hundred forty-three".