1248089256 has 64 divisors (see below), whose sum is σ = 3474619200. Its totient is φ = 415105344.

The previous prime is 1248089239. The next prime is 1248089257. The reversal of 1248089256 is 6529808421.

It is not an unprimeable number, because it can be changed into a prime (1248089257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94686 + ... + 107058.

It is an arithmetic number, because the mean of its divisors is an integer number (54290925).

Almost surely, 2^1248089256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1248089256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737309600).

1248089256 is an abundant number, since it is smaller than the sum of its proper divisors (2226529944).

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

1248089256 is a wasteful number, since it uses less digits than its factorization.

1248089256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855 (or 12845 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1248089256 is about 35328.3067242120. The cubic root of 1248089256 is about 1076.6681886873.

The spelling of 1248089256 in words is "one billion, two hundred forty-eight million, eighty-nine thousand, two hundred fifty-six".