123281682 has 8 divisors (see below), whose sum is σ = 246563376. Its totient is φ = 41093892.

The previous prime is 123281681. The next prime is 123281687. The reversal of 123281682 is 286182321.

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

123281682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (123281681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10273468 + ... + 10273479.

It is an arithmetic number, because the mean of its divisors is an integer number (30820422).

Almost surely, 2^123281682 is an apocalyptic number.

123281682 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.

123281682 is a wasteful number, since it uses less digits than its factorization.

123281682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546952.

The product of its digits is 9216, while the sum is 33.

The square root of 123281682 is about 11103.2284494196. The cubic root of 123281682 is about 497.6983302238.

The spelling of 123281682 in words is "one hundred twenty-three million, two hundred eighty-one thousand, six hundred eighty-two".