1221214 has 8 divisors (see below), whose sum is σ = 1891008. Its totient is φ = 590880.

The previous prime is 1221197. The next prime is 1221221. The reversal of 1221214 is 4121221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1221194 and 1221203.

It is a congruent number.

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, 9787 + ... + 9910.

It is an arithmetic number, because the mean of its divisors is an integer number (236376).

2^1221214 is an apocalyptic number.

1221214 is a deficient number, since it is larger than the sum of its proper divisors (669794).

1221214 is a wasteful number, since it uses less digits than its factorization.

1221214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its digits is 32, while the sum is 13.

The square root of 1221214 is about 1105.0855170529. The cubic root of 1221214 is about 106.8884037542. Note that the first 3 decimals are identical.

Adding to 1221214 its reverse (4121221), we get a palindrome (5342435).

The spelling of 1221214 in words is "one million, two hundred twenty-one thousand, two hundred fourteen".