1282748832 has 48 divisors (see below), whose sum is σ = 3741353280. Its totient is φ = 427582656.

The previous prime is 1282748791. The next prime is 1282748839. The reversal of 1282748832 is 2388472821.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1282748839) 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 7 ways as a sum of consecutive naturals, for example, 741468 + ... + 743195.

It is an arithmetic number, because the mean of its divisors is an integer number (77944860).

Almost surely, 2^1282748832 is an apocalyptic number.

1282748832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1282748832 is an abundant number, since it is smaller than the sum of its proper divisors (2458604448).

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

1282748832 is a wasteful number, since it uses less digits than its factorization.

1282748832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484682 (or 1484668 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 1282748832 is about 35815.4831322991. The cubic root of 1282748832 is about 1086.5437282143.

The spelling of 1282748832 in words is "one billion, two hundred eighty-two million, seven hundred forty-eight thousand, eight hundred thirty-two".