122666303 has 4 divisors (see below), whose sum is σ = 124677288. Its totient is φ = 120655320.

The previous prime is 122666273. The next prime is 122666309. The reversal of 122666303 is 303666221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303666221 = 29 ⋅10471249.

It is a cyclic number.

It is not a de Polignac number, because 122666303 - 2⁶ = 122666239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122666309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005401 + ... + 1005522.

It is an arithmetic number, because the mean of its divisors is an integer number (31169322).

Almost surely, 2^122666303 is an apocalyptic number.

122666303 is a deficient number, since it is larger than the sum of its proper divisors (2010985).

122666303 is an equidigital number, since it uses as much as digits as its factorization.

122666303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010984.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 122666303 is about 11075.4820662579. The cubic root of 122666303 is about 496.8688365624.

The spelling of 122666303 in words is "one hundred twenty-two million, six hundred sixty-six thousand, three hundred three".