122543346 has 8 divisors (see below), whose sum is σ = 245086704. Its totient is φ = 40847780.

The previous prime is 122543303. The next prime is 122543347. The reversal of 122543346 is 643345221.

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

122543346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (122543347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211940 + ... + 10211951.

It is an arithmetic number, because the mean of its divisors is an integer number (30635838).

Almost surely, 2^122543346 is an apocalyptic number.

122543346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122543346 is a wasteful number, since it uses less digits than its factorization.

122543346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423896.

The product of its digits is 17280, while the sum is 30.

The square root of 122543346 is about 11069.9298100756. The cubic root of 122543346 is about 496.7027656198.

Adding to 122543346 its reverse (643345221), we get a palindrome (765888567).

The spelling of 122543346 in words is "one hundred twenty-two million, five hundred forty-three thousand, three hundred forty-six".