1130243 has 8 divisors (see below), whose sum is σ = 1190688. Its totient is φ = 1070784.

The previous prime is 1130237. The next prime is 1130251. The reversal of 1130243 is 3420311.

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 1130243 - 2¹⁴ = 1113859 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1130273) 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, 3455 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (148836).

2^1130243 is an apocalyptic number.

1130243 is a deficient number, since it is larger than the sum of its proper divisors (60445).

1130243 is a wasteful number, since it uses less digits than its factorization.

1130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1130243 is about 1063.1288727149. The cubic root of 1130243 is about 104.1655093916.

Adding to 1130243 its reverse (3420311), we get a palindrome (4550554).

The spelling of 1130243 in words is "one million, one hundred thirty thousand, two hundred forty-three".