34220121 has 16 divisors (see below), whose sum is σ = 51723840. Its totient is φ = 19949760.

The previous prime is 34220071. The next prime is 34220161. The reversal of 34220121 is 12102243.

It is not a de Polignac number, because 34220121 - 2¹¹ = 34218073 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34220121.

It is not an unprimeable number, because it can be changed into a prime (34220161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22350 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (3232740).

Almost surely, 2^34220121 is an apocalyptic number.

It is an amenable number.

34220121 is a deficient number, since it is larger than the sum of its proper divisors (17503719).

34220121 is a wasteful number, since it uses less digits than its factorization.

34220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46216.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 34220121 is about 5849.7966631328. The cubic root of 34220121 is about 324.6588008941.

Adding to 34220121 its reverse (12102243), we get a palindrome (46322364).

The spelling of 34220121 in words is "thirty-four million, two hundred twenty thousand, one hundred twenty-one".