122054415543 has 16 divisors (see below), whose sum is σ = 181474152160. Its totient is φ = 81075852288.

The previous prime is 122054415493. The next prime is 122054415557. The reversal of 122054415543 is 345514450221.

122054415543 is a `hidden beast` number, since 1 + 2 + 20 + 54 + 41 + 5 + 543 = 666.

It is not a de Polignac number, because 122054415543 - 2¹³ = 122054407351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122054415498 and 122054415507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122054415563) 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, 8152330 + ... + 8167287.

It is an arithmetic number, because the mean of its divisors is an integer number (11342134510).

Almost surely, 2^122054415543 is an apocalyptic number.

122054415543 is a deficient number, since it is larger than the sum of its proper divisors (59419736617).

122054415543 is a wasteful number, since it uses less digits than its factorization.

122054415543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319903 (or 16319897 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 122054415543 its reverse (345514450221), we get a palindrome (467568865764).

The spelling of 122054415543 in words is "one hundred twenty-two billion, fifty-four million, four hundred fifteen thousand, five hundred forty-three".