1221414 has 8 divisors (see below), whose sum is σ = 2442840. Its totient is φ = 407136.

The previous prime is 1221391. The next prime is 1221421. The reversal of 1221414 is 4141221.

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

1221414 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1221393 and 1221402.

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, 101779 + ... + 101790.

It is an arithmetic number, because the mean of its divisors is an integer number (305355).

2^1221414 is an apocalyptic number.

1221414 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.

1221414 is a wasteful number, since it uses less digits than its factorization.

1221414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203574.

The product of its digits is 64, while the sum is 15.

The square root of 1221414 is about 1105.1760040826. The cubic root of 1221414 is about 106.8942385257.

Adding to 1221414 its reverse (4141221), we get a palindrome (5362635).

The spelling of 1221414 in words is "one million, two hundred twenty-one thousand, four hundred fourteen".