1248439488 has 28 divisors (see below), whose sum is σ = 3303163320. Its totient is φ = 416146432.

The previous prime is 1248439483. The next prime is 1248439537. The reversal of 1248439488 is 8849348421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248439488.

It is not an unprimeable number, because it can be changed into a prime (1248439483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250953 + ... + 3251336.

Almost surely, 2^1248439488 is an apocalyptic number.

It is an amenable number.

1248439488 is an abundant number, since it is smaller than the sum of its proper divisors (2054723832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248439488 is an equidigital number, since it uses as much as digits as its factorization.

1248439488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502304 (or 6502294 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The square root of 1248439488 is about 35333.2631948989. The cubic root of 1248439488 is about 1076.7688888535.

The spelling of 1248439488 in words is "one billion, two hundred forty-eight million, four hundred thirty-nine thousand, four hundred eighty-eight".