1244356 has 12 divisors (see below), whose sum is σ = 2197692. Its totient is φ = 616448.

The previous prime is 1244333. The next prime is 1244357. The reversal of 1244356 is 6534421.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 705600 = 734^2 + 840^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244356.

It is not an unprimeable number, because it can be changed into a prime (1244357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (183141).

2^1244356 is an apocalyptic number.

It is an amenable number.

1244356 is a deficient number, since it is larger than the sum of its proper divisors (953336).

1244356 is a wasteful number, since it uses less digits than its factorization.

1244356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870 (or 2868 counting only the distinct ones).

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

The square root of 1244356 is about 1115.5070595922. The cubic root of 1244356 is about 107.5593614817.

Adding to 1244356 its reverse (6534421), we get a palindrome (7778777).

It can be divided in two parts, 1244 and 356, that added together give a square (1600 = 40²).

The spelling of 1244356 in words is "one million, two hundred forty-four thousand, three hundred fifty-six".