1230772247 has 2 divisors, whose sum is σ = 1230772248. Its totient is φ = 1230772246.

The previous prime is 1230772183. The next prime is 1230772259. The reversal of 1230772247 is 7422770321.

It is a strong prime.

It is an emirp because it is prime and its reverse (7422770321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230772247 - 2⁶ = 1230772183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230792247) 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, 615386123 + 615386124.

It is an arithmetic number, because the mean of its divisors is an integer number (615386124).

Almost surely, 2^1230772247 is an apocalyptic number.

1230772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230772247 is an equidigital number, since it uses as much as digits as its factorization.

1230772247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1230772247 is about 35082.3637601573. The cubic root of 1230772247 is about 1071.6654551119.

The spelling of 1230772247 in words is "one billion, two hundred thirty million, seven hundred seventy-two thousand, two hundred forty-seven".