346056121 has 2 divisors, whose sum is σ = 346056122. Its totient is φ = 346056120.

The previous prime is 346056107. The next prime is 346056149. The reversal of 346056121 is 121650643.

It is an a-pointer prime, because the next prime (346056149) can be obtained adding 346056121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263900025 + 82156096 = 16245^2 + 9064^2 .

It is a cyclic number.

It is not a de Polignac number, because 346056121 - 2⁵ = 346056089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346056121.

It is not a weakly prime, because it can be changed into another prime (346006121) by changing a digit.

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 as a sum of consecutive naturals, namely, 173028060 + 173028061.

It is an arithmetic number, because the mean of its divisors is an integer number (173028061).

Almost surely, 2^346056121 is an apocalyptic number.

It is an amenable number.

346056121 is a deficient number, since it is larger than the sum of its proper divisors (1).

346056121 is an equidigital number, since it uses as much as digits as its factorization.

346056121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 346056121 is about 18602.5837183978. The cubic root of 346056121 is about 702.0728496677.

The spelling of 346056121 in words is "three hundred forty-six million, fifty-six thousand, one hundred twenty-one".