1281484 has 12 divisors (see below), whose sum is σ = 2254000. Its totient is φ = 637488.

The previous prime is 1281463. The next prime is 1281503. The reversal of 1281484 is 4841821.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 217 + ... + 1615.

2^1281484 is an apocalyptic number.

It is an amenable number.

1281484 is a deficient number, since it is larger than the sum of its proper divisors (972516).

1281484 is a wasteful number, since it uses less digits than its factorization.

1281484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1630 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 1281484 is about 1132.0265014566. The cubic root of 1281484 is about 108.6186488306.

The spelling of 1281484 in words is "one million, two hundred eighty-one thousand, four hundred eighty-four".