121162241 has 2 divisors, whose sum is σ = 121162242. Its totient is φ = 121162240.

The previous prime is 121162231. The next prime is 121162243. The reversal of 121162241 is 142261121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 2265025 = 10904^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 121162241 - 2⁶ = 121162177 is a prime.

Together with 121162243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121162243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60581120 + 60581121.

It is an arithmetic number, because the mean of its divisors is an integer number (60581121).

Almost surely, 2^121162241 is an apocalyptic number.

It is an amenable number.

121162241 is a deficient number, since it is larger than the sum of its proper divisors (1).

121162241 is an equidigital number, since it uses as much as digits as its factorization.

121162241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 121162241 is about 11007.3721205381. The cubic root of 121162241 is about 494.8297084530.

The spelling of 121162241 in words is "one hundred twenty-one million, one hundred sixty-two thousand, two hundred forty-one".