34345121 has 4 divisors (see below), whose sum is σ = 34389012. Its totient is φ = 34301232.

The previous prime is 34345111. The next prime is 34345133. The reversal of 34345121 is 12154343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12154343 = 877 ⋅13859.

It can be written as a sum of positive squares in 2 ways, for example, as 13542400 + 20802721 = 3680^2 + 4561^2 .

It is a cyclic number.

It is not a de Polignac number, because 34345121 - 2⁶ = 34345057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34345111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20750 + ... + 22343.

It is an arithmetic number, because the mean of its divisors is an integer number (8597253).

Almost surely, 2^34345121 is an apocalyptic number.

It is an amenable number.

34345121 is a deficient number, since it is larger than the sum of its proper divisors (43891).

34345121 is an equidigital number, since it uses as much as digits as its factorization.

34345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43890.

The product of its digits is 1440, while the sum is 23.

The square root of 34345121 is about 5860.4710561524. The cubic root of 34345121 is about 325.0536274425.

Adding to 34345121 its reverse (12154343), we get a palindrome (46499464).

The spelling of 34345121 in words is "thirty-four million, three hundred forty-five thousand, one hundred twenty-one".