1285223 has 2 divisors, whose sum is σ = 1285224. Its totient is φ = 1285222.

The previous prime is 1285213. The next prime is 1285231. The reversal of 1285223 is 3225821.

It is a strong prime.

It is an emirp because it is prime and its reverse (3225821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1285223 - 2⁶ = 1285159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642611 + 642612.

It is an arithmetic number, because the mean of its divisors is an integer number (642612).

2^1285223 is an apocalyptic number.

1285223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285223 is an equidigital number, since it uses as much as digits as its factorization.

1285223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 1285223 is about 1133.6767616918. The cubic root of 1285223 is about 108.7241855318.

The spelling of 1285223 in words is "one million, two hundred eighty-five thousand, two hundred twenty-three".