1214420 has 24 divisors (see below), whose sum is σ = 2614248. Its totient is φ = 473600.

The previous prime is 1214417. The next prime is 1214431. The reversal of 1214420 is 244121.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 1214404 = 4^2 + 1102^2 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1214395 and 1214404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (108927).

2^1214420 is an apocalyptic number.

1214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307124).

1214420 is an abundant number, since it is smaller than the sum of its proper divisors (1399828).

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

1214420 is a wasteful number, since it uses less digits than its factorization.

1214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1214420 is about 1102.0072595042. The cubic root of 1214420 is about 106.6898170238.

Adding to 1214420 its reverse (244121), we get a palindrome (1458541).

Subtracting from 1214420 its reverse (244121), we obtain a cube (970299 = 99³).

The spelling of 1214420 in words is "one million, two hundred fourteen thousand, four hundred twenty".