1248787503 has 8 divisors (see below), whose sum is σ = 1850055600. Its totient is φ = 832524984.

The previous prime is 1248787459. The next prime is 1248787517. The reversal of 1248787503 is 3057878421.

It is not a de Polignac number, because 1248787503 - 2⁶ = 1248787439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248787543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23125668 + ... + 23125721.

It is an arithmetic number, because the mean of its divisors is an integer number (231256950).

Almost surely, 2^1248787503 is an apocalyptic number.

1248787503 is a deficient number, since it is larger than the sum of its proper divisors (601268097).

1248787503 is an equidigital number, since it uses as much as digits as its factorization.

1248787503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46251398 (or 46251392 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1248787503 is about 35338.1876020828. The cubic root of 1248787503 is about 1076.8689329256.

The spelling of 1248787503 in words is "one billion, two hundred forty-eight million, seven hundred eighty-seven thousand, five hundred three".