1211064193 has 2 divisors, whose sum is σ = 1211064194. Its totient is φ = 1211064192.

The previous prime is 1211064119. The next prime is 1211064247. The reversal of 1211064193 is 3914601121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891798769 + 319265424 = 29863^2 + 17868^2 .

It is an emirp because it is prime and its reverse (3914601121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211064193 - 2¹³ = 1211056001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211064493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605532096 + 605532097.

It is an arithmetic number, because the mean of its divisors is an integer number (605532097).

Almost surely, 2^1211064193 is an apocalyptic number.

It is an amenable number.

1211064193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211064193 is an equidigital number, since it uses as much as digits as its factorization.

1211064193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1211064193 is about 34800.3475988387. The cubic root of 1211064193 is about 1065.9145436953.

The spelling of 1211064193 in words is "one billion, two hundred eleven million, sixty-four thousand, one hundred ninety-three".