122543350542 has 12 divisors (see below), whose sum is σ = 265510592880. Its totient is φ = 40847783508.

The previous prime is 122543350499. The next prime is 122543350543. The reversal of 122543350542 is 245053345221.

122543350542 is a `hidden beast` number, since 1 + 2 + 25 + 43 + 3 + 50 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 122543350497 and 122543350506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543350543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3403981942 + ... + 3403981977.

It is an arithmetic number, because the mean of its divisors is an integer number (22125882740).

Almost surely, 2^122543350542 is an apocalyptic number.

122543350542 is an abundant number, since it is smaller than the sum of its proper divisors (142967242338).

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

122543350542 is a wasteful number, since it uses less digits than its factorization.

122543350542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807963927 (or 6807963924 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 122543350542 its reverse (245053345221), we get a palindrome (367596695763).

The spelling of 122543350542 in words is "one hundred twenty-two billion, five hundred forty-three million, three hundred fifty thousand, five hundred forty-two".