122144243 has 12 divisors (see below), whose sum is σ = 133644168. Its totient is φ = 111571200.

The previous prime is 122144233. The next prime is 122144251. The reversal of 122144243 is 342441221.

It is not a de Polignac number, because 122144243 - 2⁴ = 122144227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122144203) 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 11 ways as a sum of consecutive naturals, for example, 12668 + ... + 20118.

It is an arithmetic number, because the mean of its divisors is an integer number (11137014).

Almost surely, 2^122144243 is an apocalyptic number.

122144243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122144243 is a deficient number, since it is larger than the sum of its proper divisors (11499925).

122144243 is an equidigital number, since it uses as much as digits as its factorization.

122144243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574 (or 7561 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 122144243 is about 11051.8886621247. Note that the first 3 decimals coincide. The cubic root of 122144243 is about 496.1629534713.

Adding to 122144243 its reverse (342441221), we get a palindrome (464585464).

The spelling of 122144243 in words is "one hundred twenty-two million, one hundred forty-four thousand, two hundred forty-three".