1248118263 has 18 divisors (see below), whose sum is σ = 2060848712. Its totient is φ = 713050200.

The previous prime is 1248118247. The next prime is 1248118271. The reversal of 1248118263 is 3628118421.

It is not a de Polignac number, because 1248118263 - 2⁴ = 1248118247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248118163) 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 in 17 ways as a sum of consecutive naturals, for example, 278188 + ... + 282638.

Almost surely, 2^1248118263 is an apocalyptic number.

1248118263 is a deficient number, since it is larger than the sum of its proper divisors (812730449).

1248118263 is an frugal number, since it uses more digits than its factorization.

1248118263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 4461 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1248118263 is about 35328.7172566455. The cubic root of 1248118263 is about 1076.6765296164.

The spelling of 1248118263 in words is "one billion, two hundred forty-eight million, one hundred eighteen thousand, two hundred sixty-three".