122044242543 has 8 divisors (see below), whose sum is σ = 163281035568. Its totient is φ = 81085138944.

The previous prime is 122044242539. The next prime is 122044242589. The reversal of 122044242543 is 345242440221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122044242543 - 2² = 122044242539 is a prime.

It is a super-2 number, since 2×122044242543² (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 (122044242533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69421330 + ... + 69423087.

It is an arithmetic number, because the mean of its divisors is an integer number (20410129446).

Almost surely, 2^122044242543 is an apocalyptic number.

122044242543 is a deficient number, since it is larger than the sum of its proper divisors (41236793025).

122044242543 is a wasteful number, since it uses less digits than its factorization.

122044242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138844713.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 122044242543 its reverse (345242440221), we get a palindrome (467286682764).

The spelling of 122044242543 in words is "one hundred twenty-two billion, forty-four million, two hundred forty-two thousand, five hundred forty-three".