1027243 has 4 divisors (see below), whose sum is σ = 1174000. Its totient is φ = 880488.

The previous prime is 1027241. The next prime is 1027261. The reversal of 1027243 is 3427201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3427201 = 19 ⋅180379.

It is not a de Polignac number, because 1027243 - 2¹ = 1027241 is a prime.

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 1027243.

It is not an unprimeable number, because it can be changed into a prime (1027241) 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, 73368 + ... + 73381.

It is an arithmetic number, because the mean of its divisors is an integer number (293500).

2^1027243 is an apocalyptic number.

1027243 is a deficient number, since it is larger than the sum of its proper divisors (146757).

1027243 is an equidigital number, since it uses as much as digits as its factorization.

1027243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146756.

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

The square root of 1027243 is about 1013.5299699565. The cubic root of 1027243 is about 100.8999761316.

The spelling of 1027243 in words is "one million, twenty-seven thousand, two hundred forty-three".