1287484 has 24 divisors (see below), whose sum is σ = 2545200. Its totient is φ = 564480.

The previous prime is 1287479. The next prime is 1287487. The reversal of 1287484 is 4847821.

It is a congruent number.

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, 772 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (106050).

2^1287484 is an apocalyptic number.

It is an amenable number.

1287484 is a deficient number, since it is larger than the sum of its proper divisors (1257716).

1287484 is a wasteful number, since it uses less digits than its factorization.

1287484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1051 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 1287484 is about 1134.6735213267. The cubic root of 1287484 is about 108.7879050497.

It can be divided in two parts, 1287 and 484, that added together give a palindrome (1771).

The spelling of 1287484 in words is "one million, two hundred eighty-seven thousand, four hundred eighty-four".