1244365 has 8 divisors (see below), whose sum is σ = 1502208. Its totient is φ = 989520.

The previous prime is 1244363. The next prime is 1244381. The reversal of 1244365 is 5634421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1244365 - 2¹ = 1244363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 304 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (187776).

2^1244365 is an apocalyptic number.

It is an amenable number.

1244365 is a deficient number, since it is larger than the sum of its proper divisors (257843).

1244365 is a wasteful number, since it uses less digits than its factorization.

1244365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499.

The product of its digits is 2880, while the sum is 25.

The square root of 1244365 is about 1115.5110936248. The cubic root of 1244365 is about 107.5596207944.

Adding to 1244365 its reverse (5634421), we get a palindrome (6878786).

It can be divided in two parts, 124 and 4365, that added together give a square (4489 = 67²).

The spelling of 1244365 in words is "one million, two hundred forty-four thousand, three hundred sixty-five".