3121106 has 16 divisors (see below), whose sum is σ = 4804800. Its totient is φ = 1520208.

The previous prime is 3121091. The next prime is 3121109. The reversal of 3121106 is 6011213.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3121109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22385 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

Almost surely, 2^3121106 is an apocalyptic number.

3121106 is a deficient number, since it is larger than the sum of its proper divisors (1683694).

3121106 is a wasteful number, since it uses less digits than its factorization.

3121106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3121106 is about 1766.6652201252. The cubic root of 3121106 is about 146.1401356696.

Adding to 3121106 its reverse (6011213), we get a palindrome (9132319).

The spelling of 3121106 in words is "three million, one hundred twenty-one thousand, one hundred six".