1073281 has 4 divisors (see below), whose sum is σ = 1170864. Its totient is φ = 975700.

The previous prime is 1073279. The next prime is 1073297. The reversal of 1073281 is 1823701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1073281 - 2¹ = 1073279 is a prime.

It is a super-2 number, since 2×1073281² = 2303864209922, which contains 22 as substring.

It is a Duffinian number.

1073281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1073201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48775 + ... + 48796.

It is an arithmetic number, because the mean of its divisors is an integer number (292716).

2^1073281 is an apocalyptic number.

1073281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1073281 is a deficient number, since it is larger than the sum of its proper divisors (97583).

1073281 is an equidigital number, since it uses as much as digits as its factorization.

1073281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97582.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1073281 is about 1035.9927605925. The cubic root of 1073281 is about 102.3853487034.

Adding to 1073281 its reverse (1823701), we get a palindrome (2896982).

The spelling of 1073281 in words is "one million, seventy-three thousand, two hundred eighty-one".