123266281 has 8 divisors (see below), whose sum is σ = 131954400. Its totient is φ = 114798240.

The previous prime is 123266263. The next prime is 123266293. The reversal of 123266281 is 182662321.

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

It is a cyclic number.

It is not a de Polignac number, because 123266281 - 2¹³ = 123258089 is a prime.

It is a super-2 number, since 2×123266281² = 30389152063141922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123266981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53860 + ... + 56101.

It is an arithmetic number, because the mean of its divisors is an integer number (16494300).

Almost surely, 2^123266281 is an apocalyptic number.

It is an amenable number.

123266281 is a deficient number, since it is larger than the sum of its proper divisors (8688119).

123266281 is a wasteful number, since it uses less digits than its factorization.

123266281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110039.

The product of its digits is 6912, while the sum is 31.

The square root of 123266281 is about 11102.5348907355. The cubic root of 123266281 is about 497.6776043245.

The spelling of 123266281 in words is "one hundred twenty-three million, two hundred sixty-six thousand, two hundred eighty-one".