34042121 has 4 divisors (see below), whose sum is σ = 34220544. Its totient is φ = 33863700.

The previous prime is 34042081. The next prime is 34042181. The reversal of 34042121 is 12124043.

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 34042121 - 2¹⁰ = 34041097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34042121.

It is not an unprimeable number, because it can be changed into a prime (34042181) 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, 88925 + ... + 89306.

It is an arithmetic number, because the mean of its divisors is an integer number (8555136).

Almost surely, 2^34042121 is an apocalyptic number.

It is an amenable number.

34042121 is a deficient number, since it is larger than the sum of its proper divisors (178423).

34042121 is a wasteful number, since it uses less digits than its factorization.

34042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178422.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 34042121 is about 5834.5626228536. The cubic root of 34042121 is about 324.0949050081.

Adding to 34042121 its reverse (12124043), we get a palindrome (46166164).

The spelling of 34042121 in words is "thirty-four million, forty-two thousand, one hundred twenty-one".