124142404221444 has 48 divisors (see below), whose sum is σ = 331113061536768. Its totient is φ = 35462117247648.

The previous prime is 124142404221413. The next prime is 124142404221467. The reversal of 124142404221444 is 444122404241421.

It is a super-2 number, since 2×124142404221444² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 148353234 + ... + 149187689.

It is an arithmetic number, because the mean of its divisors is an integer number (6898188782016).

Almost surely, 2^{124142404221444} is an apocalyptic number.

124142404221444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

124142404221444 is an abundant number, since it is smaller than the sum of its proper divisors (206970657315324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124142404221444 is a wasteful number, since it uses less digits than its factorization.

124142404221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297545904 (or 297545902 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 39.

Adding to 124142404221444 its reverse (444122404241421), we get a palindrome (568264808462865).

The spelling of 124142404221444 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-four".