1047263 has 12 divisors (see below), whose sum is σ = 1240560. Its totient is φ = 865920.

The previous prime is 1047247. The next prime is 1047271. The reversal of 1047263 is 3627401.

It is not a de Polignac number, because 1047263 - 2⁴ = 1047247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11723 + ... + 11811.

It is an arithmetic number, because the mean of its divisors is an integer number (103380).

2^1047263 is an apocalyptic number.

1047263 is a deficient number, since it is larger than the sum of its proper divisors (193297).

1047263 is an frugal number, since it uses more digits than its factorization.

1047263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1047263 is about 1023.3586858966. The cubic root of 1047263 is about 101.5512452854.

The spelling of 1047263 in words is "one million, forty-seven thousand, two hundred sixty-three".