1248223679 has 2 divisors, whose sum is σ = 1248223680. Its totient is φ = 1248223678.

The previous prime is 1248223673. The next prime is 1248223687. The reversal of 1248223679 is 9763228421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248223679 - 2¹⁶ = 1248158143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248223673) 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, 624111839 + 624111840.

It is an arithmetic number, because the mean of its divisors is an integer number (624111840).

Almost surely, 2^1248223679 is an apocalyptic number.

1248223679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248223679 is an equidigital number, since it uses as much as digits as its factorization.

1248223679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 1248223679 is about 35330.2091559051. The cubic root of 1248223679 is about 1076.7068407766.

The spelling of 1248223679 in words is "one billion, two hundred forty-eight million, two hundred twenty-three thousand, six hundred seventy-nine".