1230618 has 8 divisors (see below), whose sum is σ = 2461248. Its totient is φ = 410204.

The previous prime is 1230599. The next prime is 1230629. The reversal of 1230618 is 8160321.

1230618 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

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

1230618 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1230594 and 1230603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102546 + ... + 102557.

It is an arithmetic number, because the mean of its divisors is an integer number (307656).

2^1230618 is an apocalyptic number.

1230618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1230618 is a wasteful number, since it uses less digits than its factorization.

1230618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205108.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1230618 is about 1109.3322315700. The cubic root of 1230618 is about 107.1620684281.

Adding to 1230618 its reverse (8160321), we get a palindrome (9390939).

The spelling of 1230618 in words is "one million, two hundred thirty thousand, six hundred eighteen".