1426165 has 16 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 1022976.

The previous prime is 1426163. The next prime is 1426169. The reversal of 1426165 is 5616241.

It can be written as a sum of positive squares in 8 ways, for example, as 529 + 1425636 = 23^2 + 1194^2 .

It is not a de Polignac number, because 1426165 - 2¹ = 1426163 is a prime.

It is a Duffinian number.

1426165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (118503).

2^1426165 is an apocalyptic number.

It is an amenable number.

1426165 is a deficient number, since it is larger than the sum of its proper divisors (469883).

1426165 is a wasteful number, since it uses less digits than its factorization.

1426165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its digits is 1440, while the sum is 25.

The square root of 1426165 is about 1194.2215037421. The cubic root of 1426165 is about 112.5615136840.

The spelling of 1426165 in words is "one million, four hundred twenty-six thousand, one hundred sixty-five".