1001465 has 4 divisors (see below), whose sum is σ = 1201764. Its totient is φ = 801168.

The previous prime is 1001459. The next prime is 1001467. The reversal of 1001465 is 5641001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5641001 = 103 ⋅54767.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 241081 = 872^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001465 - 2⁶ = 1001401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100142 + ... + 100151.

It is an arithmetic number, because the mean of its divisors is an integer number (300441).

2^1001465 is an apocalyptic number.

It is an amenable number.

1001465 is a deficient number, since it is larger than the sum of its proper divisors (200299).

1001465 is an equidigital number, since it uses as much as digits as its factorization.

1001465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200298.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1001465 is about 1000.7322319182. The cubic root of 1001465 is about 100.0488095058.

Adding to 1001465 its reverse (5641001), we get a palindrome (6642466).

The spelling of 1001465 in words is "one million, one thousand, four hundred sixty-five".