1040273 has 4 divisors (see below), whose sum is σ = 1120308. Its totient is φ = 960240.

The previous prime is 1040227. The next prime is 1040311. The reversal of 1040273 is 3720401.

It is a happy number.

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 73984 + 966289 = 272^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040273 - 2¹⁰ = 1039249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39998 + ... + 40023.

It is an arithmetic number, because the mean of its divisors is an integer number (280077).

2^1040273 is an apocalyptic number.

1040273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1040273 is a deficient number, since it is larger than the sum of its proper divisors (80035).

1040273 is an equidigital number, since it uses as much as digits as its factorization.

1040273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80034.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1040273 is about 1019.9377431981. The cubic root of 1040273 is about 101.3248047512.

Adding to 1040273 its reverse (3720401), we get a palindrome (4760674).

The spelling of 1040273 in words is "one million, forty thousand, two hundred seventy-three".