122543501103 has 8 divisors (see below), whose sum is σ = 181545927600. Its totient is φ = 81695667384.

The previous prime is 122543501099. The next prime is 122543501137. The reversal of 122543501103 is 301105345221.

122543501103 is a `hidden beast` number, since 1 + 2 + 2 + 54 + 3 + 501 + 103 = 666.

It is not a de Polignac number, because 122543501103 - 2² = 122543501099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4538648189 = 122543501103 / (1 + 2 + 2 + 5 + 4 + 3 + 5 + 0 + 1 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543501173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269324068 + ... + 2269324121.

It is an arithmetic number, because the mean of its divisors is an integer number (22693240950).

Almost surely, 2^122543501103 is an apocalyptic number.

122543501103 is a deficient number, since it is larger than the sum of its proper divisors (59002426497).

122543501103 is an equidigital number, since it uses as much as digits as its factorization.

122543501103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538648198 (or 4538648192 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 122543501103 its reverse (301105345221), we get a palindrome (423648846324).

The spelling of 122543501103 in words is "one hundred twenty-two billion, five hundred forty-three million, five hundred one thousand, one hundred three".