1424165 has 4 divisors (see below), whose sum is σ = 1709004. Its totient is φ = 1139328.

The previous prime is 1424149. The next prime is 1424177. The reversal of 1424165 is 5614241.

1424165 = 688² + 689² + 690².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5614241 = 2113 ⋅2657.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 1117249 = 554^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424165 - 2⁴ = 1424149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142412 + ... + 142421.

It is an arithmetic number, because the mean of its divisors is an integer number (427251).

2^1424165 is an apocalyptic number.

It is an amenable number.

1424165 is a deficient number, since it is larger than the sum of its proper divisors (284839).

1424165 is an equidigital number, since it uses as much as digits as its factorization.

1424165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284838.

The product of its digits is 960, while the sum is 23.

The square root of 1424165 is about 1193.3838443686. The cubic root of 1424165 is about 112.5088717283.

The spelling of 1424165 in words is "one million, four hundred twenty-four thousand, one hundred sixty-five".