121134109 has 2 divisors, whose sum is σ = 121134110. Its totient is φ = 121134108.

The previous prime is 121134103. The next prime is 121134121. The reversal of 121134109 is 901431121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71825625 + 49308484 = 8475^2 + 7022^2 .

It is an emirp because it is prime and its reverse (901431121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121134109 - 2¹¹ = 121132061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121134109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121134103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60567054 + 60567055.

It is an arithmetic number, because the mean of its divisors is an integer number (60567055).

Almost surely, 2^121134109 is an apocalyptic number.

It is an amenable number.

121134109 is a deficient number, since it is larger than the sum of its proper divisors (1).

121134109 is an equidigital number, since it uses as much as digits as its factorization.

121134109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 121134109 is about 11006.0941755011. The cubic root of 121134109 is about 494.7914082181.

The spelling of 121134109 in words is "one hundred twenty-one million, one hundred thirty-four thousand, one hundred nine".