3409121 has 2 divisors, whose sum is σ = 3409122. Its totient is φ = 3409120.

The previous prime is 3409117. The next prime is 3409139. The reversal of 3409121 is 1219043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 96721 = 1820^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3409121 - 2² = 3409117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3409093 and 3409102.

It is not a weakly prime, because it can be changed into another prime (3409111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704560 + 1704561.

It is an arithmetic number, because the mean of its divisors is an integer number (1704561).

Almost surely, 2^3409121 is an apocalyptic number.

It is an amenable number.

3409121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3409121 is an equidigital number, since it uses as much as digits as its factorization.

3409121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3409121 is about 1846.3805133287. The cubic root of 3409121 is about 150.5038022902.

The spelling of 3409121 in words is "three million, four hundred nine thousand, one hundred twenty-one".