122304143 has 4 divisors (see below), whose sum is σ = 131712168. Its totient is φ = 112896120.

The previous prime is 122304139. The next prime is 122304151. The reversal of 122304143 is 341403221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341403221 = 457 ⋅747053.

It is a cyclic number.

It is not a de Polignac number, because 122304143 - 2² = 122304139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122304043) 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, 4703993 + ... + 4704018.

It is an arithmetic number, because the mean of its divisors is an integer number (32928042).

Almost surely, 2^122304143 is an apocalyptic number.

122304143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122304143 is a deficient number, since it is larger than the sum of its proper divisors (9408025).

122304143 is an equidigital number, since it uses as much as digits as its factorization.

122304143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408024.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122304143 is about 11059.1203538075. The cubic root of 122304143 is about 496.3793693510.

Adding to 122304143 its reverse (341403221), we get a palindrome (463707364).

The spelling of 122304143 in words is "one hundred twenty-two million, three hundred four thousand, one hundred forty-three".