34320121 has 4 divisors (see below), whose sum is σ = 37440144. Its totient is φ = 31200100.

The previous prime is 34320107. The next prime is 34320173. The reversal of 34320121 is 12102343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12102343 = 11 ⋅1100213.

It is a cyclic number.

It is not a de Polignac number, because 34320121 - 2¹¹ = 34318073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34320095 and 34320104.

It is not an unprimeable number, because it can be changed into a prime (34320101) 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, 1559995 + ... + 1560016.

It is an arithmetic number, because the mean of its divisors is an integer number (9360036).

Almost surely, 2^34320121 is an apocalyptic number.

It is an amenable number.

34320121 is a deficient number, since it is larger than the sum of its proper divisors (3120023).

34320121 is a wasteful number, since it uses less digits than its factorization.

34320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120022.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 34320121 is about 5858.3377335213. The cubic root of 34320121 is about 324.9747388650.

Adding to 34320121 its reverse (12102343), we get a palindrome (46422464).

The spelling of 34320121 in words is "thirty-four million, three hundred twenty thousand, one hundred twenty-one".