122543113 has 24 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 94749600.

The previous prime is 122543081. The next prime is 122543119. The reversal of 122543113 is 311345221.

It is a happy number.

It is not a de Polignac number, because 122543113 - 2⁵ = 122543081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122543119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125718 + ... + 126688.

It is an arithmetic number, because the mean of its divisors is an integer number (6463800).

Almost surely, 2^122543113 is an apocalyptic number.

It is an amenable number.

122543113 is a deficient number, since it is larger than the sum of its proper divisors (32588087).

122543113 is a wasteful number, since it uses less digits than its factorization.

122543113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1138 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 122543113 is about 11069.9192860653. The cubic root of 122543113 is about 496.7024508147.

Adding to 122543113 its reverse (311345221), we get a palindrome (433888334).

The spelling of 122543113 in words is "one hundred twenty-two million, five hundred forty-three thousand, one hundred thirteen".