1135243 has 8 divisors (see below), whose sum is σ = 1230768. Its totient is φ = 1042944.

The previous prime is 1135241. The next prime is 1135247. The reversal of 1135243 is 3425311.

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 1135243 - 2¹ = 1135241 is a prime.

It is a Duffinian number.

1135243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135243.

It is not an unprimeable number, because it can be changed into a prime (1135241) 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, 46 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (153846).

2^1135243 is an apocalyptic number.

1135243 is a deficient number, since it is larger than the sum of its proper divisors (95525).

1135243 is a wasteful number, since it uses less digits than its factorization.

1135243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its digits is 360, while the sum is 19.

The square root of 1135243 is about 1065.4778270804. The cubic root of 1135243 is about 104.3188868546.

It can be divided in two parts, 1135 and 243, that added together give a triangular number (1378 = T₅₂).

The spelling of 1135243 in words is "one million, one hundred thirty-five thousand, two hundred forty-three".