1282473984 has 136 divisors (see below), whose sum is σ = 3737096352. Its totient is φ = 387973120.

The previous prime is 1282473977. The next prime is 1282474021. The reversal of 1282473984 is 4893742821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162392 + ... + 2162984.

Almost surely, 2^1282473984 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 1282473984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868548176).

1282473984 is an abundant number, since it is smaller than the sum of its proper divisors (2454622368).

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

1282473984 is an frugal number, since it uses more digits than its factorization.

1282473984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 609 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1282473984 is about 35811.6459269886. The cubic root of 1282473984 is about 1086.4661199575.

It can be divided in two parts, 128247 and 3984, that added together give a palindrome (132231).

The spelling of 1282473984 in words is "one billion, two hundred eighty-two million, four hundred seventy-three thousand, nine hundred eighty-four".