1248840041 has 2 divisors, whose sum is σ = 1248840042. Its totient is φ = 1248840040.

The previous prime is 1248840031. The next prime is 1248840049. The reversal of 1248840041 is 1400488421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677821225 + 571018816 = 26035^2 + 23896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248840041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248840049) 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, 624420020 + 624420021.

It is an arithmetic number, because the mean of its divisors is an integer number (624420021).

Almost surely, 2^1248840041 is an apocalyptic number.

It is an amenable number.

1248840041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248840041 is an equidigital number, since it uses as much as digits as its factorization.

1248840041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 1248840041 is about 35338.9309544021. The cubic root of 1248840041 is about 1076.8840344398.

The spelling of 1248840041 in words is "one billion, two hundred forty-eight million, eight hundred forty thousand, forty-one".