1230679679 has 2 divisors, whose sum is σ = 1230679680. Its totient is φ = 1230679678.

The previous prime is 1230679621. The next prime is 1230679687. The reversal of 1230679679 is 9769760321.

It is a strong prime.

It is an emirp because it is prime and its reverse (9769760321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230679679 - 2¹² = 1230675583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230679979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615339839 + 615339840.

It is an arithmetic number, because the mean of its divisors is an integer number (615339840).

Almost surely, 2^1230679679 is an apocalyptic number.

1230679679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230679679 is an equidigital number, since it uses as much as digits as its factorization.

1230679679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 1230679679 is about 35081.0444399821. The cubic root of 1230679679 is about 1071.6385873153.

The spelling of 1230679679 in words is "one billion, two hundred thirty million, six hundred seventy-nine thousand, six hundred seventy-nine".