123051966 has 8 divisors (see below), whose sum is σ = 246103944. Its totient is φ = 41017320.

The previous prime is 123051931. The next prime is 123051977. The reversal of 123051966 is 669150321.

It is a happy number.

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

123051966 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10254325 + ... + 10254336.

It is an arithmetic number, because the mean of its divisors is an integer number (30762993).

Almost surely, 2^123051966 is an apocalyptic number.

123051966 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.

123051966 is a wasteful number, since it uses less digits than its factorization.

123051966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20508666.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 123051966 is about 11092.8790672215. The cubic root of 123051966 is about 497.3890105344.

The spelling of 123051966 in words is "one hundred twenty-three million, fifty-one thousand, nine hundred sixty-six".