123261168 has 20 divisors (see below), whose sum is σ = 318424808. Its totient is φ = 41087040.

The previous prime is 123261139. The next prime is 123261179. The reversal of 123261168 is 861162321.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283923 + ... + 1284018.

Almost surely, 2^123261168 is an apocalyptic number.

It is an amenable number.

123261168 is an abundant number, since it is smaller than the sum of its proper divisors (195163640).

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

123261168 is a wasteful number, since it uses less digits than its factorization.

123261168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567952 (or 2567946 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 123261168 is about 11102.3046256172. The cubic root of 123261168 is about 497.6707231219.

The spelling of 123261168 in words is "one hundred twenty-three million, two hundred sixty-one thousand, one hundred sixty-eight".