1207218 has 8 divisors (see below), whose sum is σ = 2414448. Its totient is φ = 402404.

The previous prime is 1207211. The next prime is 1207223. The reversal of 1207218 is 8127021.

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

1207218 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1207194 and 1207203.

It is not an unprimeable number, because it can be changed into a prime (1207211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100596 + ... + 100607.

It is an arithmetic number, because the mean of its divisors is an integer number (301806).

2^1207218 is an apocalyptic number.

1207218 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.

1207218 is a wasteful number, since it uses less digits than its factorization.

1207218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201208.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1207218 is about 1098.7347268563. The cubic root of 1207218 is about 106.4784941918.

It can be divided in two parts, 12072 and 18, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 1207218 in words is "one million, two hundred seven thousand, two hundred eighteen".