121201193 has 2 divisors, whose sum is σ = 121201194. Its totient is φ = 121201192.

The previous prime is 121201187. The next prime is 121201217. The reversal of 121201193 is 391102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72369049 + 48832144 = 8507^2 + 6988^2 .

It is an emirp because it is prime and its reverse (391102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121201193 - 2¹⁶ = 121135657 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600596 + 60600597.

It is an arithmetic number, because the mean of its divisors is an integer number (60600597).

Almost surely, 2^121201193 is an apocalyptic number.

It is an amenable number.

121201193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201193 is an equidigital number, since it uses as much as digits as its factorization.

121201193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 121201193 is about 11009.1413379973. The cubic root of 121201193 is about 494.8827297615.

The spelling of 121201193 in words is "one hundred twenty-one million, two hundred one thousand, one hundred ninety-three".