121414121 has 2 divisors, whose sum is σ = 121414122. Its totient is φ = 121414120.

The previous prime is 121414109. The next prime is 121414127.

121414121 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 7778521 = 10660^2 + 2789^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 121414121 - 2¹⁴ = 121397737 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121414121.

It is not a weakly prime, because it can be changed into another prime (121414127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60707060 + 60707061.

It is an arithmetic number, because the mean of its divisors is an integer number (60707061).

Almost surely, 2^121414121 is an apocalyptic number.

It is an amenable number.

121414121 is a deficient number, since it is larger than the sum of its proper divisors (1).

121414121 is an equidigital number, since it uses as much as digits as its factorization.

121414121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 17.

The square root of 121414121 is about 11018.8076033662. The cubic root of 121414121 is about 495.1723659157.

The spelling of 121414121 in words is "one hundred twenty-one million, four hundred fourteen thousand, one hundred twenty-one".