122142122 has 8 divisors (see below), whose sum is σ = 183943872. Its totient is φ = 60827500.

The previous prime is 122142103. The next prime is 122142131. The reversal of 122142122 is 221241221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122142122.

It is an unprimeable number.

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, 121154 + ... + 122157.

It is an arithmetic number, because the mean of its divisors is an integer number (22992984).

Almost surely, 2^122142122 is an apocalyptic number.

122142122 is a deficient number, since it is larger than the sum of its proper divisors (61801750).

122142122 is a wasteful number, since it uses less digits than its factorization.

122142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243564.

The product of its digits is 128, while the sum is 17.

The square root of 122142122 is about 11051.7927052583. The cubic root of 122142122 is about 496.1600815452.

Adding to 122142122 its reverse (221241221), we get a palindrome (343383343).

Subtracting 122142122 from its reverse (221241221), we obtain a palindrome (99099099).

The spelling of 122142122 in words is "one hundred twenty-two million, one hundred forty-two thousand, one hundred twenty-two".