1424205 has 12 divisors (see below), whose sum is σ = 2468700. Its totient is φ = 759552.

The previous prime is 1424191. The next prime is 1424231. The reversal of 1424205 is 5024241.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 514089 = 954^2 + 717^2 .

It is not a de Polignac number, because 1424205 - 2⁷ = 1424077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15780 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (205725).

2^1424205 is an apocalyptic number.

1424205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424205 is a deficient number, since it is larger than the sum of its proper divisors (1044495).

1424205 is a wasteful number, since it uses less digits than its factorization.

1424205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31660 (or 31657 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1424205 is about 1193.4006033181. The cubic root of 1424205 is about 112.5099250503.

Adding to 1424205 its reverse (5024241), we get a palindrome (6448446).

The spelling of 1424205 in words is "one million, four hundred twenty-four thousand, two hundred five".