1230318 has 12 divisors (see below), whose sum is σ = 2665728. Its totient is φ = 410100.

The previous prime is 1230311. The next prime is 1230329. The reversal of 1230318 is 8130321.

It is a super-2 number, since 2×1230318² = 3027364762248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 68351 = 1230318 / (1 + 2 + 3 + 0 + 3 + 1 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34158 + ... + 34193.

It is an arithmetic number, because the mean of its divisors is an integer number (222144).

2^1230318 is an apocalyptic number.

1230318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1230318 is an abundant number, since it is smaller than the sum of its proper divisors (1435410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230318 is a wasteful number, since it uses less digits than its factorization.

1230318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68359 (or 68356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1230318 is about 1109.1970068477. The cubic root of 1230318 is about 107.1533597324.

Adding to 1230318 its reverse (8130321), we get a palindrome (9360639).

It can be divided in two parts, 12303 and 18, that added together give a palindrome (12321).

The spelling of 1230318 in words is "one million, two hundred thirty thousand, three hundred eighteen".