1248288403 has 2 divisors, whose sum is σ = 1248288404. Its totient is φ = 1248288402.

The previous prime is 1248288373. The next prime is 1248288421. The reversal of 1248288403 is 3048828421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248288403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248288443) 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, 624144201 + 624144202.

It is an arithmetic number, because the mean of its divisors is an integer number (624144202).

Almost surely, 2^1248288403 is an apocalyptic number.

1248288403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248288403 is an equidigital number, since it uses as much as digits as its factorization.

1248288403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 1248288403 is about 35331.1251306833. The cubic root of 1248288403 is about 1076.7254505739.

The spelling of 1248288403 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, four hundred three".