1268239232 has 64 divisors (see below), whose sum is σ = 2794596000. Its totient is φ = 569493504.

The previous prime is 1268239229. The next prime is 1268239319. The reversal of 1268239232 is 2329328621.

It is a tau number, because it is divible by the number of its divisors (64).

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, 51269 + ... + 71867.

Almost surely, 2^1268239232 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 1268239232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397298000).

1268239232 is an abundant number, since it is smaller than the sum of its proper divisors (1526356768).

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

1268239232 is a wasteful number, since it uses less digits than its factorization.

1268239232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663 (or 20651 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 1268239232 is about 35612.3466230463. The cubic root of 1268239232 is about 1082.4314309587.

The spelling of 1268239232 in words is "one billion, two hundred sixty-eight million, two hundred thirty-nine thousand, two hundred thirty-two".