1284880564 has 24 divisors (see below), whose sum is σ = 2454385248. Its totient is φ = 583695840.

The previous prime is 1284880543. The next prime is 1284880577. The reversal of 1284880564 is 4650884821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77499 + ... + 92605.

It is an arithmetic number, because the mean of its divisors is an integer number (102266052).

Almost surely, 2^1284880564 is an apocalyptic number.

It is an amenable number.

1284880564 is a deficient number, since it is larger than the sum of its proper divisors (1169504684).

1284880564 is a wasteful number, since it uses less digits than its factorization.

1284880564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17055 (or 17053 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The square root of 1284880564 is about 35845.2307008896. The cubic root of 1284880564 is about 1087.1452848331.

The spelling of 1284880564 in words is "one billion, two hundred eighty-four million, eight hundred eighty thousand, five hundred sixty-four".