1248943 has 4 divisors (see below), whose sum is σ = 1292040. Its totient is φ = 1205848.

The previous prime is 1248941. The next prime is 1248953. The reversal of 1248943 is 3498421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3498421 = 601 ⋅5821.

It is a cyclic number.

It is not a de Polignac number, because 1248943 - 2¹ = 1248941 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248941) 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, 21505 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (323010).

2^1248943 is an apocalyptic number.

1248943 is a deficient number, since it is larger than the sum of its proper divisors (43097).

1248943 is an equidigital number, since it uses as much as digits as its factorization.

1248943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43096.

The product of its digits is 6912, while the sum is 31.

The square root of 1248943 is about 1117.5611840074. The cubic root of 1248943 is about 107.6913627730.

The spelling of 1248943 in words is "one million, two hundred forty-eight thousand, nine hundred forty-three".