123266516 has 12 divisors (see below), whose sum is σ = 216134100. Its totient is φ = 61513920.

The previous prime is 123266489. The next prime is 123266527. The reversal of 123266516 is 615662321.

It can be written as a sum of positive squares in 2 ways, for example, as 90250000 + 33016516 = 9500^2 + 5746^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27491 + ... + 31658.

It is an arithmetic number, because the mean of its divisors is an integer number (18011175).

Almost surely, 2^123266516 is an apocalyptic number.

It is an amenable number.

123266516 is a deficient number, since it is larger than the sum of its proper divisors (92867584).

123266516 is a wasteful number, since it uses less digits than its factorization.

123266516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59674 (or 59672 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 123266516 is about 11102.5454738992. The cubic root of 123266516 is about 497.6779205888.

The spelling of 123266516 in words is "one hundred twenty-three million, two hundred sixty-six thousand, five hundred sixteen".