1047223 has 4 divisors (see below), whose sum is σ = 1102360. Its totient is φ = 992088.

The previous prime is 1047199. The next prime is 1047229. The reversal of 1047223 is 3227401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3227401 = 761 ⋅4241.

It is a cyclic number.

It is not a de Polignac number, because 1047223 - 2⁹ = 1046711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 55117 = 1047223 / (1 + 0 + 4 + 7 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047229) 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, 27540 + ... + 27577.

It is an arithmetic number, because the mean of its divisors is an integer number (275590).

2^1047223 is an apocalyptic number.

1047223 is a deficient number, since it is larger than the sum of its proper divisors (55137).

1047223 is an equidigital number, since it uses as much as digits as its factorization.

1047223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55136.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1047223 is about 1023.3391422202. The cubic root of 1047223 is about 101.5499523591.

The spelling of 1047223 in words is "one million, forty-seven thousand, two hundred twenty-three".