1201218 has 32 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 368640.

The previous prime is 1201217. The next prime is 1201229. The reversal of 1201218 is 8121021.

It is a junction number, because it is equal to n+sod(n) for n = 1201197 and 1201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546 + ... + 4802.

It is an arithmetic number, because the mean of its divisors is an integer number (81270).

2^1201218 is an apocalyptic number.

1201218 is an abundant number, since it is smaller than the sum of its proper divisors (1399422).

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

1201218 is a wasteful number, since it uses less digits than its factorization.

1201218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1201218 is about 1096.0009124084. Note that the first 3 decimals coincide. The cubic root of 1201218 is about 106.3017980425.

Adding to 1201218 its reverse (8121021), we get a palindrome (9322239).

The spelling of 1201218 in words is "one million, two hundred one thousand, two hundred eighteen".