1262983648 has 48 divisors (see below), whose sum is σ = 2571295104. Its totient is φ = 610030080.

The previous prime is 1262983633. The next prime is 1262983651. The reversal of 1262983648 is 8463892621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988386 + ... + 989662.

It is an arithmetic number, because the mean of its divisors is an integer number (53568648).

Almost surely, 2^1262983648 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 1262983648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285647552).

1262983648 is an abundant number, since it is smaller than the sum of its proper divisors (1308311456).

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

1262983648 is a wasteful number, since it uses less digits than its factorization.

1262983648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2307 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 1262983648 is about 35538.4812280998. The cubic root of 1262983648 is about 1080.9341620286.

The spelling of 1262983648 in words is "one billion, two hundred sixty-two million, nine hundred eighty-three thousand, six hundred forty-eight".