3122505 has 12 divisors (see below), whose sum is σ = 5412420. Its totient is φ = 1665312.

The previous prime is 3122491. The next prime is 3122513. The reversal of 3122505 is 5052213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 1557504 = 1251^2 + 1248^2 .

It is not a de Polignac number, because 3122505 - 2⁴ = 3122489 is a prime.

It is a super-3 number, since 3×3122505³ = 91333622297858812875, which contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34650 + ... + 34739.

It is an arithmetic number, because the mean of its divisors is an integer number (451035).

Almost surely, 2^3122505 is an apocalyptic number.

It is an amenable number.

3122505 is a deficient number, since it is larger than the sum of its proper divisors (2289915).

3122505 is a wasteful number, since it uses less digits than its factorization.

3122505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69400 (or 69397 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3122505 is about 1767.0611194863. The cubic root of 3122505 is about 146.1619676217.

Adding to 3122505 its reverse (5052213), we get a palindrome (8174718).

The spelling of 3122505 in words is "three million, one hundred twenty-two thousand, five hundred five".