1248630688 has 48 divisors (see below), whose sum is σ = 2647028160. Its totient is φ = 577616896.

The previous prime is 1248630667. The next prime is 1248630701. The reversal of 1248630688 is 8860368421.

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, 12645 + ... + 51547.

It is an arithmetic number, because the mean of its divisors is an integer number (55146420).

Almost surely, 2^1248630688 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 1248630688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323514080).

1248630688 is an abundant number, since it is smaller than the sum of its proper divisors (1398397472).

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

1248630688 is a wasteful number, since it uses less digits than its factorization.

1248630688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38989 (or 38981 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 1248630688 is about 35335.9687570611. The cubic root of 1248630688 is about 1076.8238555284.

The spelling of 1248630688 in words is "one billion, two hundred forty-eight million, six hundred thirty thousand, six hundred eighty-eight".