1244065 has 4 divisors (see below), whose sum is σ = 1492884. Its totient is φ = 995248.

The previous prime is 1244059. The next prime is 1244083. The reversal of 1244065 is 5604421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5604421 = 47 ⋅119243.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 1002001 = 492^2 + 1001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244065 - 2³ = 1244057 is a prime.

It is a Duffinian number.

1244065 is a lucky 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, 124402 + ... + 124411.

It is an arithmetic number, because the mean of its divisors is an integer number (373221).

2^1244065 is an apocalyptic number.

It is an amenable number.

1244065 is a deficient number, since it is larger than the sum of its proper divisors (248819).

1244065 is an equidigital number, since it uses as much as digits as its factorization.

1244065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248818.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1244065 is about 1115.3766180085. The cubic root of 1244065 is about 107.5509763641.

Adding to 1244065 its reverse (5604421), we get a palindrome (6848486).

The spelling of 1244065 in words is "one million, two hundred forty-four thousand, sixty-five".