122266505 has 16 divisors (see below), whose sum is σ = 156363264. Its totient is φ = 91565760.

The previous prime is 122266493. The next prime is 122266579. The reversal of 122266505 is 505662221.

122266505 = T₂₁₆ + T₂₁₇ + ... + T₉₀₅.

It is not a de Polignac number, because 122266505 - 2⁴ = 122266489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5906 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (9772704).

Almost surely, 2^122266505 is an apocalyptic number.

It is an amenable number.

122266505 is a deficient number, since it is larger than the sum of its proper divisors (34096759).

122266505 is a wasteful number, since it uses less digits than its factorization.

122266505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22696.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 122266505 is about 11057.4185504574. The cubic root of 122266505 is about 496.3284453647.

The spelling of 122266505 in words is "one hundred twenty-two million, two hundred sixty-six thousand, five hundred five".