121334121 has 6 divisors (see below), whose sum is σ = 175260410. Its totient is φ = 80889408.

The previous prime is 121334111. The next prime is 121334141. The reversal of 121334121 is 121433121.

It can be written as a sum of positive squares in only one way, i.e., 98724096 + 22610025 = 9936^2 + 4755^2 .

It is not a de Polignac number, because 121334121 - 2¹⁵ = 121301353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121334094 and 121334103.

It is not an unprimeable number, because it can be changed into a prime (121334111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6740776 + ... + 6740793.

Almost surely, 2^121334121 is an apocalyptic number.

It is an amenable number.

121334121 is a deficient number, since it is larger than the sum of its proper divisors (53926289).

121334121 is a wasteful number, since it uses less digits than its factorization.

121334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481575 (or 13481572 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 121334121 is about 11015.1768483307. The cubic root of 121334121 is about 495.0635853426.

Adding to 121334121 its reverse (121433121), we get a palindrome (242767242).

The spelling of 121334121 in words is "one hundred twenty-one million, three hundred thirty-four thousand, one hundred twenty-one".