1080243 has 8 divisors (see below), whose sum is σ = 1600400. Its totient is φ = 720144.

The previous prime is 1080229. The next prime is 1080251. The reversal of 1080243 is 3420801.

It is a happy number.

It is not a de Polignac number, because 1080243 - 2⁸ = 1079987 is a prime.

It is a Duffinian number.

1080243 is a modest number, since divided by 243 gives 108 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19978 + ... + 20031.

It is an arithmetic number, because the mean of its divisors is an integer number (200050).

2^1080243 is an apocalyptic number.

1080243 is a deficient number, since it is larger than the sum of its proper divisors (520157).

1080243 is an equidigital number, since it uses as much as digits as its factorization.

1080243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40018 (or 40012 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1080243 is about 1039.3473913952. The cubic root of 1080243 is about 102.6062511153.

The spelling of 1080243 in words is "one million, eighty thousand, two hundred forty-three".