1214424 has 48 divisors (see below), whose sum is σ = 3341520. Its totient is φ = 398400.

The previous prime is 1214417. The next prime is 1214431. The reversal of 1214424 is 4244121.

It is an interprime number because it is at equal distance from previous prime (1214417) and next prime (1214431).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1214397 and 1214406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7189 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (69615).

2^1214424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670760).

1214424 is an abundant number, since it is smaller than the sum of its proper divisors (2127096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214424 is a wasteful number, since it uses less digits than its factorization.

1214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 273 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1214424 is about 1102.0090743728. The cubic root of 1214424 is about 106.6899341603.

Adding to 1214424 its reverse (4244121), we get a palindrome (5458545).

The spelling of 1214424 in words is "one million, two hundred fourteen thousand, four hundred twenty-four".