1221614 has 8 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 603856.

The previous prime is 1221601. The next prime is 1221631. The reversal of 1221614 is 4161221.

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 = 1221592 and 1221601.

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, 3254 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (231660).

2^1221614 is an apocalyptic number.

1221614 is a deficient number, since it is larger than the sum of its proper divisors (631666).

1221614 is an equidigital number, since it uses as much as digits as its factorization.

1221614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954.

The product of its digits is 96, while the sum is 17.

The square root of 1221614 is about 1105.2664837043. The cubic root of 1221614 is about 106.9000726602.

Adding to 1221614 its reverse (4161221), we get a palindrome (5382835).

The spelling of 1221614 in words is "one million, two hundred twenty-one thousand, six hundred fourteen".