1228824679 has 2 divisors, whose sum is σ = 1228824680. Its totient is φ = 1228824678.

The previous prime is 1228824673. The next prime is 1228824721. The reversal of 1228824679 is 9764288221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228824679 - 2⁹ = 1228824167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228824673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614412339 + 614412340.

It is an arithmetic number, because the mean of its divisors is an integer number (614412340).

Almost surely, 2^1228824679 is an apocalyptic number.

1228824679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228824679 is an equidigital number, since it uses as much as digits as its factorization.

1228824679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 49.

The square root of 1228824679 is about 35054.5956901517. The cubic root of 1228824679 is about 1071.0998906285.

The spelling of 1228824679 in words is "one billion, two hundred twenty-eight million, eight hundred twenty-four thousand, six hundred seventy-nine".