1284404068 has 6 divisors (see below), whose sum is σ = 2247707126. Its totient is φ = 642202032.

The previous prime is 1284404029. The next prime is 1284404087. The reversal of 1284404068 is 8604044821.

It can be written as a sum of positive squares in only one way, i.e., 1207701504 + 76702564 = 34752^2 + 8758^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160550505 + ... + 160550512.

Almost surely, 2^1284404068 is an apocalyptic number.

It is an amenable number.

1284404068 is a deficient number, since it is larger than the sum of its proper divisors (963303058).

1284404068 is a wasteful number, since it uses less digits than its factorization.

1284404068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321101021 (or 321101019 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 1284404068 is about 35838.5835099547. The cubic root of 1284404068 is about 1087.0108794927.

Adding to 1284404068 its reverse (8604044821), we get a palindrome (9888448889).

The spelling of 1284404068 in words is "one billion, two hundred eighty-four million, four hundred four thousand, sixty-eight".