121126193 has 2 divisors, whose sum is σ = 121126194. Its totient is φ = 121126192.

The previous prime is 121126189. The next prime is 121126217. The reversal of 121126193 is 391621121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88040689 + 33085504 = 9383^2 + 5752^2 .

It is an emirp because it is prime and its reverse (391621121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121126193 - 2² = 121126189 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121126163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60563096 + 60563097.

It is an arithmetic number, because the mean of its divisors is an integer number (60563097).

Almost surely, 2^121126193 is an apocalyptic number.

It is an amenable number.

121126193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121126193 is an equidigital number, since it uses as much as digits as its factorization.

121126193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 121126193 is about 11005.7345506786. The cubic root of 121126193 is about 494.7806299324.

The spelling of 121126193 in words is "one hundred twenty-one million, one hundred twenty-six thousand, one hundred ninety-three".