1287482 has 16 divisors (see below), whose sum is σ = 2261952. Its totient is φ = 538080.

The previous prime is 1287479. The next prime is 1287487. The reversal of 1287482 is 2847821.

It is not an unprimeable number, because it can be changed into a prime (1287487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1287482 is an apocalyptic number.

1287482 is a deficient number, since it is larger than the sum of its proper divisors (974470).

1287482 is a wasteful number, since it uses less digits than its factorization.

1287482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 7168, while the sum is 32.

The square root of 1287482 is about 1134.6726400156. The cubic root of 1287482 is about 108.7878487186.

The spelling of 1287482 in words is "one million, two hundred eighty-seven thousand, four hundred eighty-two".