121267117 has 2 divisors, whose sum is σ = 121267118. Its totient is φ = 121267116.

The previous prime is 121267099. The next prime is 121267121. The reversal of 121267117 is 711762121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99420841 + 21846276 = 9971^2 + 4674^2 .

It is a cyclic number.

It is not a de Polignac number, because 121267117 - 2⁷ = 121266989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121267147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60633558 + 60633559.

It is an arithmetic number, because the mean of its divisors is an integer number (60633559).

Almost surely, 2^121267117 is an apocalyptic number.

It is an amenable number.

121267117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121267117 is an equidigital number, since it uses as much as digits as its factorization.

121267117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 28.

The square root of 121267117 is about 11012.1349882754. The cubic root of 121267117 is about 494.9724393729.

The spelling of 121267117 in words is "one hundred twenty-one million, two hundred sixty-seven thousand, one hundred seventeen".