1224001284 has 48 divisors (see below), whose sum is σ = 3133105920. Its totient is φ = 368830240.

The previous prime is 1224001279. The next prime is 1224001291. The reversal of 1224001284 is 4821004221.

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, 2274 + ... + 49529.

It is an arithmetic number, because the mean of its divisors is an integer number (65273040).

Almost surely, 2^1224001284 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 1224001284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566552960).

1224001284 is an abundant number, since it is smaller than the sum of its proper divisors (1909104636).

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

1224001284 is a wasteful number, since it uses less digits than its factorization.

1224001284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52000 (or 51998 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 1224001284 is about 34985.7297194156. The cubic root of 1224001284 is about 1069.6966222919.

The spelling of 1224001284 in words is "one billion, two hundred twenty-four million, one thousand, two hundred eighty-four".