1286116832 has 96 divisors (see below), whose sum is σ = 3399750144. Its totient is φ = 462528000.

The previous prime is 1286116831. The next prime is 1286116877. The reversal of 1286116832 is 2386116821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286116831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11957 + ... + 52107.

It is an arithmetic number, because the mean of its divisors is an integer number (35414064).

Almost surely, 2^1286116832 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 1286116832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699875072).

1286116832 is an abundant number, since it is smaller than the sum of its proper divisors (2113633312).

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

1286116832 is a wasteful number, since it uses less digits than its factorization.

1286116832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40192 (or 40184 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1286116832 is about 35862.4710805042. The cubic root of 1286116832 is about 1087.4938443656.

The spelling of 1286116832 in words is "one billion, two hundred eighty-six million, one hundred sixteen thousand, eight hundred thirty-two".