1287368 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 598080.

The previous prime is 1287361. The next prime is 1287371. The reversal of 1287368 is 8637821.

It is not an unprimeable number, because it can be changed into a prime (1287361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^1287368 is an apocalyptic number.

It is an amenable number.

1287368 is an abundant number, since it is smaller than the sum of its proper divisors (1304632).

1287368 is a wasteful number, since it uses less digits than its factorization.

1287368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 1287368 is about 1134.6224041504. The cubic root of 1287368 is about 108.7846377531.

The spelling of 1287368 in words is "one million, two hundred eighty-seven thousand, three hundred sixty-eight".