1248284447 has 2 divisors, whose sum is σ = 1248284448. Its totient is φ = 1248284446.

The previous prime is 1248284423. The next prime is 1248284467. The reversal of 1248284447 is 7444828421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248284447 - 2²² = 1244090143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248284398 and 1248284407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248284467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624142223 + 624142224.

It is an arithmetic number, because the mean of its divisors is an integer number (624142224).

Almost surely, 2^1248284447 is an apocalyptic number.

1248284447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248284447 is an equidigital number, since it uses as much as digits as its factorization.

1248284447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 458752, while the sum is 44.

The square root of 1248284447 is about 35331.0691460080. The cubic root of 1248284447 is about 1076.7243131417.

The spelling of 1248284447 in words is "one billion, two hundred forty-eight million, two hundred eighty-four thousand, four hundred forty-seven".