122545242443 has 8 divisors (see below), whose sum is σ = 131974695888. Its totient is φ = 113116202784.

The previous prime is 122545242439. The next prime is 122545242451. The reversal of 122545242443 is 344242545221.

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

It is not a de Polignac number, because 122545242443 - 2² = 122545242439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122545242397 and 122545242406.

It is not an unprimeable number, because it can be changed into a prime (122545242143) 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, 811280 + ... + 950402.

It is an arithmetic number, because the mean of its divisors is an integer number (16496836986).

Almost surely, 2^122545242443 is an apocalyptic number.

122545242443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122545242443 is a deficient number, since it is larger than the sum of its proper divisors (9429453445).

122545242443 is a wasteful number, since it uses less digits than its factorization.

122545242443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206893.

The product of its digits is 307200, while the sum is 38.

Adding to 122545242443 its reverse (344242545221), we get a palindrome (466787787664).

The spelling of 122545242443 in words is "one hundred twenty-two billion, five hundred forty-five million, two hundred forty-two thousand, four hundred forty-three".