1081273 has 4 divisors (see below), whose sum is σ = 1095040. Its totient is φ = 1067508.

The previous prime is 1081247. The next prime is 1081277. The reversal of 1081273 is 3721801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3721801 = 997 ⋅3733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081273 is a prime.

It is a Duffinian number.

1081273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1081277) 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, 6765 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (273760).

2^1081273 is an apocalyptic number.

It is an amenable number.

1081273 is a deficient number, since it is larger than the sum of its proper divisors (13767).

1081273 is an equidigital number, since it uses as much as digits as its factorization.

1081273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13766.

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

The square root of 1081273 is about 1039.8427765773. The cubic root of 1081273 is about 102.6388520723.

The spelling of 1081273 in words is "one million, eighty-one thousand, two hundred seventy-three".