1218468 has 24 divisors (see below), whose sum is σ = 2892960. Its totient is φ = 399040.

The previous prime is 1218467. The next prime is 1218473. The reversal of 1218468 is 8648121.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1218463) 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, 153 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (120540).

2^1218468 is an apocalyptic number.

It is an amenable number.

1218468 is an abundant number, since it is smaller than the sum of its proper divisors (1674492).

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

1218468 is a wasteful number, since it uses less digits than its factorization.

1218468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1785 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 1218468 is about 1103.8423800525. The cubic root of 1218468 is about 106.8082278446.

The spelling of 1218468 in words is "one million, two hundred eighteen thousand, four hundred sixty-eight".