3122540 has 12 divisors (see below), whose sum is σ = 6557376. Its totient is φ = 1249008.

The previous prime is 3122533. The next prime is 3122551. The reversal of 3122540 is 452213.

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, 78044 + ... + 78083.

It is an arithmetic number, because the mean of its divisors is an integer number (546448).

Almost surely, 2^3122540 is an apocalyptic number.

It is an amenable number.

3122540 is an abundant number, since it is smaller than the sum of its proper divisors (3434836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3122540 is a wasteful number, since it uses less digits than its factorization.

3122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156136 (or 156134 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3122540 is about 1767.0710229077. The cubic root of 3122540 is about 146.1625137270.

Adding to 3122540 its reverse (452213), we get a palindrome (3574753).

The spelling of 3122540 in words is "three million, one hundred twenty-two thousand, five hundred forty".