1248705228 has 48 divisors (see below), whose sum is σ = 2988770400. Its totient is φ = 405609984.

The previous prime is 1248705217. The next prime is 1248705247. The reversal of 1248705228 is 8225078421.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 88176 + ... + 101352.

It is an arithmetic number, because the mean of its divisors is an integer number (62266050).

Almost surely, 2^1248705228 is an apocalyptic number.

It is an amenable number.

1248705228 is an abundant number, since it is smaller than the sum of its proper divisors (1740065172).

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

1248705228 is a wasteful number, since it uses less digits than its factorization.

1248705228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13386 (or 13384 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 1248705228 is about 35337.0234739713. The cubic root of 1248705228 is about 1076.8452829619.

The spelling of 1248705228 in words is "one billion, two hundred forty-eight million, seven hundred five thousand, two hundred twenty-eight".