1043281 has 4 divisors (see below), whose sum is σ = 1046452. Its totient is φ = 1040112.

The previous prime is 1043279. The next prime is 1043291. The reversal of 1043281 is 1823401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 672400 + 370881 = 820^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043281 - 2¹ = 1043279 is a prime.

It is a super-2 number, since 2×1043281² = 2176870489922, which contains 22 as substring.

It is a Duffinian number.

1043281 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1043201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (261613).

2^1043281 is an apocalyptic number.

It is an amenable number.

1043281 is a deficient number, since it is larger than the sum of its proper divisors (3171).

1043281 is an equidigital number, since it uses as much as digits as its factorization.

1043281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1043281 is about 1021.4112785749. The cubic root of 1043281 is about 101.4223726386.

Adding to 1043281 its reverse (1823401), we get a palindrome (2866682).

It can be divided in two parts, 104328 and 1, that added together give a square (104329 = 323²).

The spelling of 1043281 in words is "one million, forty-three thousand, two hundred eighty-one".