1284987060 has 288 divisors, whose sum is σ = 4688716032. Its totient is φ = 278691840.

The previous prime is 1284987049. The next prime is 1284987089. The reversal of 1284987060 is 607894821.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1284986997 and 1284987015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2004340 + ... + 2004980.

It is an arithmetic number, because the mean of its divisors is an integer number (16280264).

Almost surely, 2^1284987060 is an apocalyptic number.

1284987060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1284987060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344358016).

1284987060 is an abundant number, since it is smaller than the sum of its proper divisors (3403728972).

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

1284987060 is a wasteful number, since it uses less digits than its factorization.

1284987060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1284987060 is about 35846.7161675934. The cubic root of 1284987060 is about 1087.1753196417.

The spelling of 1284987060 in words is "one billion, two hundred eighty-four million, nine hundred eighty-seven thousand, sixty".