193264121 has 2 divisors, whose sum is σ = 193264122. Its totient is φ = 193264120.

The previous prime is 193264103. The next prime is 193264151. The reversal of 193264121 is 121462391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144264121 + 49000000 = 12011^2 + 7000^2 .

It is an emirp because it is prime and its reverse (121462391) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193264121 is a prime.

It is a super-3 number, since 3×193264121³ (a number of 26 digits) contains 333 as substring.

It is equal to p_10726346 and since 193264121 and 10726346 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (193264151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96632060 + 96632061.

It is an arithmetic number, because the mean of its divisors is an integer number (96632061).

Almost surely, 2^193264121 is an apocalyptic number.

It is an amenable number.

193264121 is a deficient number, since it is larger than the sum of its proper divisors (1).

193264121 is an equidigital number, since it uses as much as digits as its factorization.

193264121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 193264121 is about 13901.9466622484. The cubic root of 193264121 is about 578.1631554111.

The spelling of 193264121 in words is "one hundred ninety-three million, two hundred sixty-four thousand, one hundred twenty-one".