1210442393 has 2 divisors, whose sum is σ = 1210442394. Its totient is φ = 1210442392.

The previous prime is 1210442351. The next prime is 1210442417. The reversal of 1210442393 is 3932440121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649842064 + 560600329 = 25492^2 + 23677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210442393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1210442333) 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, 605221196 + 605221197.

It is an arithmetic number, because the mean of its divisors is an integer number (605221197).

Almost surely, 2^1210442393 is an apocalyptic number.

It is an amenable number.

1210442393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210442393 is an equidigital number, since it uses as much as digits as its factorization.

1210442393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1210442393 is about 34791.4126330047. The cubic root of 1210442393 is about 1065.7320873258.

The spelling of 1210442393 in words is "one billion, two hundred ten million, four hundred forty-two thousand, three hundred ninety-three".