1230243 has 12 divisors (see below), whose sum is σ = 1908360. Its totient is φ = 702912.

The previous prime is 1230241. The next prime is 1230263. The reversal of 1230243 is 3420321.

It is not a de Polignac number, because 1230243 - 2¹ = 1230241 is a prime.

1230243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1230241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4038 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

2^1230243 is an apocalyptic number.

1230243 is a deficient number, since it is larger than the sum of its proper divisors (678117).

1230243 is an equidigital number, since it uses as much as digits as its factorization.

1230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1230243 is about 1109.1631980912. The cubic root of 1230243 is about 107.1511823372.

Adding to 1230243 its reverse (3420321), we get a palindrome (4650564).

The spelling of 1230243 in words is "one million, two hundred thirty thousand, two hundred forty-three".