1248240073 has 2 divisors, whose sum is σ = 1248240074. Its totient is φ = 1248240072.

The previous prime is 1248240043. The next prime is 1248240089. The reversal of 1248240073 is 3700428421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648822784 + 599417289 = 25472^2 + 24483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248240073 - 2²⁹ = 711369161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248240013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624120036 + 624120037.

It is an arithmetic number, because the mean of its divisors is an integer number (624120037).

Almost surely, 2^1248240073 is an apocalyptic number.

It is an amenable number.

1248240073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248240073 is an equidigital number, since it uses as much as digits as its factorization.

1248240073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1248240073 is about 35330.4411662238. The cubic root of 1248240073 is about 1076.7115545297.

Adding to 1248240073 its reverse (3700428421), we get a palindrome (4948668494).

The spelling of 1248240073 in words is "one billion, two hundred forty-eight million, two hundred forty thousand, seventy-three".