1230340277 has 2 divisors, whose sum is σ = 1230340278. Its totient is φ = 1230340276.

The previous prime is 1230340217. The next prime is 1230340301. The reversal of 1230340277 is 7720430321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224930001 + 5410276 = 34999^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230340277 - 2¹² = 1230336181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230340207) 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, 615170138 + 615170139.

It is an arithmetic number, because the mean of its divisors is an integer number (615170139).

Almost surely, 2^1230340277 is an apocalyptic number.

It is an amenable number.

1230340277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230340277 is an equidigital number, since it uses as much as digits as its factorization.

1230340277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1230340277 is about 35076.2067076815. The cubic root of 1230340277 is about 1071.5400645974.

Adding to 1230340277 its reverse (7720430321), we get a palindrome (8950770598).

The spelling of 1230340277 in words is "one billion, two hundred thirty million, three hundred forty thousand, two hundred seventy-seven".