122322142 has 8 divisors (see below), whose sum is σ = 191460816. Its totient is φ = 58501872.

The previous prime is 122322139. The next prime is 122322149. The reversal of 122322142 is 241223221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322149) 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, 1329543 + ... + 1329634.

It is an arithmetic number, because the mean of its divisors is an integer number (23932602).

Almost surely, 2^122322142 is an apocalyptic number.

122322142 is a deficient number, since it is larger than the sum of its proper divisors (69138674).

122322142 is a wasteful number, since it uses less digits than its factorization.

122322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659202.

The product of its digits is 384, while the sum is 19.

The square root of 122322142 is about 11059.9340866029. The cubic root of 122322142 is about 496.4037181965.

Adding to 122322142 its reverse (241223221), we get a palindrome (363545363).

The spelling of 122322142 in words is "one hundred twenty-two million, three hundred twenty-two thousand, one hundred forty-two".