122445543020243 has 8 divisors (see below), whose sum is σ = 123340894669728. Its totient is φ = 121550214393664.

The previous prime is 122445543020183. The next prime is 122445543020257. The reversal of 122445543020243 is 342020345544221.

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 122445543020243 - 2²⁰ = 122445541971667 is a prime.

It is a super-2 number, since 2×122445543020243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122445543020243.

It is not an unprimeable number, because it can be changed into a prime (122445543025243) 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, 4993130 + ... + 16426272.

It is an arithmetic number, because the mean of its divisors is an integer number (15417611833716).

Almost surely, 2^{122445543020243} is an apocalyptic number.

122445543020243 is a deficient number, since it is larger than the sum of its proper divisors (895351649485).

122445543020243 is a wasteful number, since it uses less digits than its factorization.

122445543020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511453.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 122445543020243 its reverse (342020345544221), we get a palindrome (464465888564464).

The spelling of 122445543020243 in words is "one hundred twenty-two trillion, four hundred forty-five billion, five hundred forty-three million, twenty thousand, two hundred forty-three".