1248357603 has 6 divisors (see below), whose sum is σ = 1664558404. Its totient is φ = 832197604.

The previous prime is 1248357559. The next prime is 1248357623. The reversal of 1248357603 is 3067538421.

It is not a de Polignac number, because 1248357603 - 2⁸ = 1248357347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248357623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50998 + ... + 71396.

Almost surely, 2^1248357603 is an apocalyptic number.

1248357603 is a deficient number, since it is larger than the sum of its proper divisors (416200801).

1248357603 is an frugal number, since it uses more digits than its factorization.

1248357603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40801 (or 20402 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1248357603 is about 35332.1044235975. The cubic root of 1248357603 is about 1076.7453466237.

The spelling of 1248357603 in words is "one billion, two hundred forty-eight million, three hundred fifty-seven thousand, six hundred three".