121143349 has 2 divisors, whose sum is σ = 121143350. Its totient is φ = 121143348.

The previous prime is 121143331. The next prime is 121143361. The reversal of 121143349 is 943341121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 36687249 = 9190^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 121143349 - 2⁹ = 121142837 is a prime.

It is a super-3 number, since 3×121143349³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121143049) 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, 60571674 + 60571675.

It is an arithmetic number, because the mean of its divisors is an integer number (60571675).

Almost surely, 2^121143349 is an apocalyptic number.

It is an amenable number.

121143349 is a deficient number, since it is larger than the sum of its proper divisors (1).

121143349 is an equidigital number, since it uses as much as digits as its factorization.

121143349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 121143349 is about 11006.5139349387. The cubic root of 121143349 is about 494.8039886449.

The spelling of 121143349 in words is "one hundred twenty-one million, one hundred forty-three thousand, three hundred forty-nine".