122543133 has 4 divisors (see below), whose sum is σ = 163390848. Its totient is φ = 81695420.

The previous prime is 122543119. The next prime is 122543153. The reversal of 122543133 is 331345221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122543133 - 2⁸ = 122542877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20423853 + ... + 20423858.

It is an arithmetic number, because the mean of its divisors is an integer number (40847712).

Almost surely, 2^122543133 is an apocalyptic number.

It is an amenable number.

122543133 is a deficient number, since it is larger than the sum of its proper divisors (40847715).

122543133 is an equidigital number, since it uses as much as digits as its factorization.

122543133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40847714.

The product of its digits is 2160, while the sum is 24.

The square root of 122543133 is about 11069.9201894142. The cubic root of 122543133 is about 496.7024778366.

Adding to 122543133 its reverse (331345221), we get a palindrome (453888354).

The spelling of 122543133 in words is "one hundred twenty-two million, five hundred forty-three thousand, one hundred thirty-three".