122055305 has 4 divisors (see below), whose sum is σ = 146466372. Its totient is φ = 97644240.

The previous prime is 122055293. The next prime is 122055317. The reversal of 122055305 is 503550221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122055293) and next prime (122055317).

It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 36917776 = 9227^2 + 6076^2 .

It is not a de Polignac number, because 122055305 - 2²⁰ = 121006729 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 12205526 + ... + 12205535.

It is an arithmetic number, because the mean of its divisors is an integer number (36616593).

Almost surely, 2^122055305 is an apocalyptic number.

It is an amenable number.

122055305 is a deficient number, since it is larger than the sum of its proper divisors (24411067).

122055305 is an equidigital number, since it uses as much as digits as its factorization.

122055305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24411066.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 122055305 is about 11047.8642732430. The cubic root of 122055305 is about 496.0424990141.

The spelling of 122055305 in words is "one hundred twenty-two million, fifty-five thousand, three hundred five".