1248843 has 4 divisors (see below), whose sum is σ = 1665128. Its totient is φ = 832560.

The previous prime is 1248833. The next prime is 1248847. The reversal of 1248843 is 3488421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3488421 = 3 ⋅1162807.

It is a de Polignac number, because none of the positive numbers 2^k-1248843 is a prime.

It is a D-number.

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 1248843.

It is not an unprimeable number, because it can be changed into a prime (1248847) 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, 208138 + ... + 208143.

It is an arithmetic number, because the mean of its divisors is an integer number (416282).

2^1248843 is an apocalyptic number.

1248843 is a deficient number, since it is larger than the sum of its proper divisors (416285).

1248843 is an equidigital number, since it uses as much as digits as its factorization.

1248843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416284.

The product of its digits is 6144, while the sum is 30.

The square root of 1248843 is about 1117.5164428321. The cubic root of 1248843 is about 107.6884884962.

The spelling of 1248843 in words is "one million, two hundred forty-eight thousand, eight hundred forty-three".