1248288859 has 8 divisors (see below), whose sum is σ = 1270045520. Its totient is φ = 1226624256.

The previous prime is 1248288841. The next prime is 1248288863. The reversal of 1248288859 is 9588828421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248288859 - 2¹¹ = 1248286811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248288889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627 + ... + 50179.

It is an arithmetic number, because the mean of its divisors is an integer number (158755690).

Almost surely, 2^1248288859 is an apocalyptic number.

1248288859 is a deficient number, since it is larger than the sum of its proper divisors (21756661).

1248288859 is an equidigital number, since it uses as much as digits as its factorization.

1248288859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46029.

The product of its digits is 2949120, while the sum is 55.

The square root of 1248288859 is about 35331.1315839162. The cubic root of 1248288859 is about 1076.7255816833.

The spelling of 1248288859 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred fifty-nine".