1126243 has 8 divisors (see below), whose sum is σ = 1178000. Its totient is φ = 1075680.

The previous prime is 1126219. The next prime is 1126247. The reversal of 1126243 is 3426211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126243 - 2⁵ = 1126211 is a prime.

It is an Ulam 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 1126243.

It is not an unprimeable number, because it can be changed into a prime (1126247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (147250).

2^1126243 is an apocalyptic number.

1126243 is a deficient number, since it is larger than the sum of its proper divisors (51757).

1126243 is an equidigital number, since it uses as much as digits as its factorization.

1126243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 288, while the sum is 19.

The square root of 1126243 is about 1061.2459658345. The cubic root of 1126243 is about 104.0424814123.

Subtracting 1126243 from its reverse (3426211), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 1126 and 243, that added together give a square (1369 = 37²).

The spelling of 1126243 in words is "one million, one hundred twenty-six thousand, two hundred forty-three".