1281046 has 16 divisors (see below), whose sum is σ = 2142000. Its totient is φ = 570528.

The previous prime is 1281043. The next prime is 1281047. The reversal of 1281046 is 6401821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1281041) 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, 96 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (133875).

2^1281046 is an apocalyptic number.

1281046 is a deficient number, since it is larger than the sum of its proper divisors (860954).

1281046 is a wasteful number, since it uses less digits than its factorization.

1281046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1281046 is about 1131.8330265547. The cubic root of 1281046 is about 108.6062724531.

Adding to 1281046 its reverse (6401821), we get a palindrome (7682867).

The spelling of 1281046 in words is "one million, two hundred eighty-one thousand, forty-six".