1248288841 has 2 divisors, whose sum is σ = 1248288842. Its totient is φ = 1248288840.

The previous prime is 1248288817. The next prime is 1248288863. The reversal of 1248288841 is 1488828421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1236999241 + 11289600 = 35171^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248288841 - 2¹⁷ = 1248157769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248288791 and 1248288800.

It is not a weakly prime, because it can be changed into another prime (1248289841) 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, 624144420 + 624144421.

It is an arithmetic number, because the mean of its divisors is an integer number (624144421).

Almost surely, 2^1248288841 is an apocalyptic number.

It is an amenable number.

1248288841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248288841 is an equidigital number, since it uses as much as digits as its factorization.

1248288841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262144, while the sum is 46.

The square root of 1248288841 is about 35331.1313291833. The cubic root of 1248288841 is about 1076.7255765079.

The spelling of 1248288841 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred forty-one".