123021222 has 8 divisors (see below), whose sum is σ = 246042456. Its totient is φ = 41007072.

The previous prime is 123021221. The next prime is 123021253. The reversal of 123021222 is 222120321.

It is a happy number.

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

123021222 is an admirable number.

It is a super-3 number, since 3×123021222³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021221) 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, 10251763 + ... + 10251774.

It is an arithmetic number, because the mean of its divisors is an integer number (30755307).

Almost surely, 2^123021222 is an apocalyptic number.

123021222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123021222 is a wasteful number, since it uses less digits than its factorization.

123021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20503542.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 123021222 is about 11091.4932267932. The cubic root of 123021222 is about 497.3475835885.

Adding to 123021222 its reverse (222120321), we get a palindrome (345141543).

Subtracting 123021222 from its reverse (222120321), we obtain a palindrome (99099099).

The spelling of 123021222 in words is "one hundred twenty-three million, twenty-one thousand, two hundred twenty-two".