34121 has 4 divisors (see below), whose sum is σ = 34500. Its totient is φ = 33744.

The previous prime is 34061. The next prime is 34123. The reversal of 34121 is 12143.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18496 + 15625 = 136^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 34121 - 2⁶ = 34057 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (34123) 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, 35 + ... + 263.

It is an arithmetic number, because the mean of its divisors is an integer number (8625).

2³⁴¹²¹ is an apocalyptic number.

It is an amenable number.

34121 is a deficient number, since it is larger than the sum of its proper divisors (379).

34121 is a wasteful number, since it uses less digits than its factorization.

34121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its digits is 24, while the sum is 11.

The square root of 34121 is about 184.7187050626. The cubic root of 34121 is about 32.4345032024.

Adding to 34121 its reverse (12143), we get a palindrome (46264).

It can be divided in two parts, 34 and 121, that multiplied together give a palindrome (4114).

The spelling of 34121 in words is "thirty-four thousand, one hundred twenty-one".