123120022 has 16 divisors (see below), whose sum is σ = 191565360. Its totient is φ = 59276448.

The previous prime is 123120017. The next prime is 123120029. The reversal of 123120022 is 220021321.

It is a junction number, because it is equal to n+sod(n) for n = 123119984 and 123120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20353 + ... + 25699.

It is an arithmetic number, because the mean of its divisors is an integer number (11972835).

Almost surely, 2^123120022 is an apocalyptic number.

123120022 is a deficient number, since it is larger than the sum of its proper divisors (68445338).

123120022 is a wasteful number, since it uses less digits than its factorization.

123120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123120022 is about 11095.9461966972. The cubic root of 123120022 is about 497.4806901422.

Adding to 123120022 its reverse (220021321), we get a palindrome (343141343).

The spelling of 123120022 in words is "one hundred twenty-three million, one hundred twenty thousand, twenty-two".