1284512982 has 32 divisors (see below), whose sum is σ = 2650682880. Its totient is φ = 414766560.

The previous prime is 1284512939. The next prime is 1284513011. The reversal of 1284512982 is 2892154821.

It is a congruent number.

It is an unprimeable number.

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, 444 + ... + 50687.

It is an arithmetic number, because the mean of its divisors is an integer number (82833840).

Almost surely, 2^1284512982 is an apocalyptic number.

1284512982 is an abundant number, since it is smaller than the sum of its proper divisors (1366169898).

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

1284512982 is a wasteful number, since it uses less digits than its factorization.

1284512982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51268.

The product of its digits is 92160, while the sum is 42.

The square root of 1284512982 is about 35840.1029853431. The cubic root of 1284512982 is about 1087.0416038210.

The spelling of 1284512982 in words is "one billion, two hundred eighty-four million, five hundred twelve thousand, nine hundred eighty-two".