1214409 has 8 divisors (see below), whose sum is σ = 1850560. Its totient is φ = 693936.

The previous prime is 1214407. The next prime is 1214413. The reversal of 1214409 is 9044121.

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

It is not a de Polignac number, because 1214409 - 2¹ = 1214407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57829 = 1214409 / (1 + 2 + 1 + 4 + 4 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214401) 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, 28894 + ... + 28935.

It is an arithmetic number, because the mean of its divisors is an integer number (231320).

2^1214409 is an apocalyptic number.

It is an amenable number.

1214409 is a deficient number, since it is larger than the sum of its proper divisors (636151).

1214409 is an equidigital number, since it uses as much as digits as its factorization.

1214409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57839.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1214409 is about 1102.0022686002. The cubic root of 1214409 is about 106.6894948971.

Subtracting from 1214409 its product of nonzero digits (288), we obtain a palindrome (1214121).

The spelling of 1214409 in words is "one million, two hundred fourteen thousand, four hundred nine".