1284878082 has 16 divisors (see below), whose sum is σ = 2572099200. Its totient is φ = 427902192.

The previous prime is 1284878081. The next prime is 1284878087. The reversal of 1284878082 is 2808784821.

It is not an unprimeable number, because it can be changed into a prime (1284878081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90457 + ... + 103692.

It is an arithmetic number, because the mean of its divisors is an integer number (160756200).

Almost surely, 2^1284878082 is an apocalyptic number.

1284878082 is an abundant number, since it is smaller than the sum of its proper divisors (1287221118).

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

1284878082 is a wasteful number, since it uses less digits than its factorization.

1284878082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195257.

The product of its (nonzero) digits is 458752, while the sum is 48.

The square root of 1284878082 is about 35845.1960798096. The cubic root of 1284878082 is about 1087.1445848208.

The spelling of 1284878082 in words is "one billion, two hundred eighty-four million, eight hundred seventy-eight thousand, eighty-two".