122003321543 has 8 divisors (see below), whose sum is σ = 127311740928. Its totient is φ = 116695229464.

The previous prime is 122003321537. The next prime is 122003321549. The reversal of 122003321543 is 345123300221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122003321537) and next prime (122003321549).

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

It is a cyclic number.

It is not a de Polignac number, because 122003321543 - 2¹⁰ = 122003320519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003321549) 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, 964946 + ... + 1084032.

It is an arithmetic number, because the mean of its divisors is an integer number (15913967616).

Almost surely, 2^122003321543 is an apocalyptic number.

122003321543 is a deficient number, since it is larger than the sum of its proper divisors (5308419385).

122003321543 is a wasteful number, since it uses less digits than its factorization.

122003321543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163653.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 122003321543 its reverse (345123300221), we get a palindrome (467126621764).

The spelling of 122003321543 in words is "one hundred twenty-two billion, three million, three hundred twenty-one thousand, five hundred forty-three".