1214621 has 8 divisors (see below), whose sum is σ = 1271424. Its totient is φ = 1159200.

The previous prime is 1214617. The next prime is 1214623. The reversal of 1214621 is 1264121.

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

It is a cyclic number.

It is not a de Polignac number, because 1214621 - 2² = 1214617 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1214621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (158928).

2^1214621 is an apocalyptic number.

It is an amenable number.

1214621 is a deficient number, since it is larger than the sum of its proper divisors (56803).

1214621 is an equidigital number, since it uses as much as digits as its factorization.

1214621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

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

The square root of 1214621 is about 1102.0984529524. The cubic root of 1214621 is about 106.6957028157.

Adding to 1214621 its reverse (1264121), we get a palindrome (2478742).

It can be divided in two parts, 12146 and 21, that added together give a cube (12167 = 23³).

The spelling of 1214621 in words is "one million, two hundred fourteen thousand, six hundred twenty-one".