1248288864 has 24 divisors (see below), whose sum is σ = 3276758520. Its totient is φ = 416096256.

The previous prime is 1248288863. The next prime is 1248288883. The reversal of 1248288864 is 4688828421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248288863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6501409 + ... + 6501600.

It is an arithmetic number, because the mean of its divisors is an integer number (136531605).

Almost surely, 2^1248288864 is an apocalyptic number.

It is an amenable number.

1248288864 is an abundant number, since it is smaller than the sum of its proper divisors (2028469656).

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

1248288864 is a wasteful number, since it uses less digits than its factorization.

1248288864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003022 (or 13003014 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 51.

The square root of 1248288864 is about 35331.1316546753. The cubic root of 1248288864 is about 1076.7255831209.

The spelling of 1248288864 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred sixty-four".