1282296648 has 128 divisors (see below), whose sum is σ = 3426877440. Its totient is φ = 399168000.

The previous prime is 1282296623. The next prime is 1282296649. The reversal of 1282296648 is 8466922821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1282296597 and 1282296606.

It is not an unprimeable number, because it can be changed into a prime (1282296649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3873843 + ... + 3874173.

It is an arithmetic number, because the mean of its divisors is an integer number (26772480).

Almost surely, 2^1282296648 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 1282296648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713438720).

1282296648 is an abundant number, since it is smaller than the sum of its proper divisors (2144580792).

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

1282296648 is a wasteful number, since it uses less digits than its factorization.

1282296648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 535 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 1282296648 is about 35809.1698870555. The cubic root of 1282296648 is about 1086.4160400756.

The spelling of 1282296648 in words is "one billion, two hundred eighty-two million, two hundred ninety-six thousand, six hundred forty-eight".