122820122 has 8 divisors (see below), whose sum is σ = 185556000. Its totient is φ = 60968124.

The previous prime is 122820119. The next prime is 122820127. The reversal of 122820122 is 221028221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 122820094 and 122820103.

It is not an unprimeable number, because it can be changed into a prime (122820127) 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, 220622 + ... + 221177.

It is an arithmetic number, because the mean of its divisors is an integer number (23194500).

Almost surely, 2^122820122 is an apocalyptic number.

122820122 is a deficient number, since it is larger than the sum of its proper divisors (62735878).

122820122 is a wasteful number, since it uses less digits than its factorization.

122820122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441940.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 122820122 is about 11082.4240128232. The cubic root of 122820122 is about 497.0764348515.

Adding to 122820122 its reverse (221028221), we get a palindrome (343848343).

The spelling of 122820122 in words is "one hundred twenty-two million, eight hundred twenty thousand, one hundred twenty-two".