122288305 has 16 divisors (see below), whose sum is σ = 148521024. Its totient is φ = 96655680.

The previous prime is 122288269. The next prime is 122288311. The reversal of 122288305 is 503882221.

It is not a de Polignac number, because 122288305 - 2¹¹ = 122286257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184675 + ... + 185335.

It is an arithmetic number, because the mean of its divisors is an integer number (9282564).

Almost surely, 2^122288305 is an apocalyptic number.

It is an amenable number.

122288305 is a deficient number, since it is larger than the sum of its proper divisors (26232719).

122288305 is a wasteful number, since it uses less digits than its factorization.

122288305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 122288305 is about 11058.4042700563. The cubic root of 122288305 is about 496.3579419062.

The spelling of 122288305 in words is "one hundred twenty-two million, two hundred eighty-eight thousand, three hundred five".