121184849 has 2 divisors, whose sum is σ = 121184850. Its totient is φ = 121184848.

The previous prime is 121184837. The next prime is 121184851. The reversal of 121184849 is 948481121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 36820624 = 9185^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 121184849 - 2¹² = 121180753 is a prime.

Together with 121184851, 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 (121184249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60592424 + 60592425.

It is an arithmetic number, because the mean of its divisors is an integer number (60592425).

Almost surely, 2^121184849 is an apocalyptic number.

It is an amenable number.

121184849 is a deficient number, since it is larger than the sum of its proper divisors (1).

121184849 is an equidigital number, since it uses as much as digits as its factorization.

121184849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The square root of 121184849 is about 11008.3990207477. The cubic root of 121184849 is about 494.8604837568.

The spelling of 121184849 in words is "one hundred twenty-one million, one hundred eighty-four thousand, eight hundred forty-nine".