34242121 has 4 divisors (see below), whose sum is σ = 34511872. Its totient is φ = 33972372.

The previous prime is 34242113. The next prime is 34242133. The reversal of 34242121 is 12124243.

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.

It is a cyclic number.

It is not a de Polignac number, because 34242121 - 2³ = 34242113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34242721) 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, 134685 + ... + 134938.

It is an arithmetic number, because the mean of its divisors is an integer number (8627968).

Almost surely, 2^34242121 is an apocalyptic number.

It is an amenable number.

34242121 is a deficient number, since it is larger than the sum of its proper divisors (269751).

34242121 is a wasteful number, since it uses less digits than its factorization.

34242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269750.

The product of its digits is 384, while the sum is 19.

The square root of 34242121 is about 5851.6767682434. The cubic root of 34242121 is about 324.7283600046.

Adding to 34242121 its reverse (12124243), we get a palindrome (46366364).

The spelling of 34242121 in words is "thirty-four million, two hundred forty-two thousand, one hundred twenty-one".