123646122 has 16 divisors (see below), whose sum is σ = 274769280. Its totient is φ = 41215356.

The previous prime is 123646093. The next prime is 123646147. The reversal of 123646122 is 221646321.

123646122 is a `hidden beast` number, since 1 + 2 + 3 + 646 + 12 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144818 + ... + 1144925.

It is an arithmetic number, because the mean of its divisors is an integer number (17173080).

Almost surely, 2^123646122 is an apocalyptic number.

123646122 is an abundant number, since it is smaller than the sum of its proper divisors (151123158).

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

123646122 is a wasteful number, since it uses less digits than its factorization.

123646122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289754 (or 2289748 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 123646122 is about 11119.6277815402. The cubic root of 123646122 is about 498.1882725496.

The spelling of 123646122 in words is "one hundred twenty-three million, six hundred forty-six thousand, one hundred twenty-two".