3426121 has 2 divisors, whose sum is σ = 3426122. Its totient is φ = 3426120.

The previous prime is 3426119. The next prime is 3426127. The reversal of 3426121 is 1216243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 55225 = 1836^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3426121 - 2¹ = 3426119 is a prime.

Together with 3426119, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

3426121 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3426127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713060 + 1713061.

It is an arithmetic number, because the mean of its divisors is an integer number (1713061).

Almost surely, 2^3426121 is an apocalyptic number.

It is an amenable number.

3426121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3426121 is an equidigital number, since it uses as much as digits as its factorization.

3426121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 3426121 is about 1850.9783899333. The cubic root of 3426121 is about 150.7535561629.

The spelling of 3426121 in words is "three million, four hundred twenty-six thousand, one hundred twenty-one".