305122 has 12 divisors (see below), whose sum is σ = 476658. Its totient is φ = 146400.

The previous prime is 305119. The next prime is 305131. The reversal of 305122 is 221503.

It can be written as a sum of positive squares in 3 ways, for example, as 25281 + 279841 = 159^2 + 529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4972 + ... + 5032.

2³⁰⁵¹²² is an apocalyptic number.

305122 is a deficient number, since it is larger than the sum of its proper divisors (171536).

305122 is an equidigital number, since it uses as much as digits as its factorization.

305122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 305122 is about 552.3784934264. The cubic root of 305122 is about 67.3221288636.

Adding to 305122 its reverse (221503), we get a palindrome (526625).

The spelling of 305122 in words is "three hundred five thousand, one hundred twenty-two".