3106121 has 4 divisors (see below), whose sum is σ = 3288852. Its totient is φ = 2923392.

The previous prime is 3106111. The next prime is 3106133. The reversal of 3106121 is 1216013.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 1974025 = 1064^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 3106121 - 2⁶ = 3106057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3106096 and 3106105.

It is not an unprimeable number, because it can be changed into a prime (3106111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91340 + ... + 91373.

It is an arithmetic number, because the mean of its divisors is an integer number (822213).

Almost surely, 2^3106121 is an apocalyptic number.

It is an amenable number.

3106121 is a deficient number, since it is larger than the sum of its proper divisors (182731).

3106121 is a wasteful number, since it uses less digits than its factorization.

3106121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182730.

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

The square root of 3106121 is about 1762.4190761564. The cubic root of 3106121 is about 145.9058785366.

The spelling of 3106121 in words is "three million, one hundred six thousand, one hundred twenty-one".