1230736361 has 2 divisors, whose sum is σ = 1230736362. Its totient is φ = 1230736360.

The previous prime is 1230736327. The next prime is 1230736387. The reversal of 1230736361 is 1636370321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845006761 + 385729600 = 29069^2 + 19640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230736361 - 2¹⁴ = 1230719977 is a prime.

It is a super-3 number, since 3×1230736361³ (a number of 28 digits) contains 333 as substring.

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 (1230736321) 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, 615368180 + 615368181.

It is an arithmetic number, because the mean of its divisors is an integer number (615368181).

Almost surely, 2^1230736361 is an apocalyptic number.

It is an amenable number.

1230736361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230736361 is an equidigital number, since it uses as much as digits as its factorization.

1230736361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 1230736361 is about 35081.8523028645. The cubic root of 1230736361 is about 1071.6550393856.

The spelling of 1230736361 in words is "one billion, two hundred thirty million, seven hundred thirty-six thousand, three hundred sixty-one".