1244485 has 20 divisors (see below), whose sum is σ = 1739340. Its totient is φ = 851840.

The previous prime is 1244483. The next prime is 1244501. The reversal of 1244485 is 5844421.

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 527076 = 847^2 + 726^2 .

It is not a de Polignac number, because 1244485 - 2¹ = 1244483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244483) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73197 + ... + 73213.

It is an arithmetic number, because the mean of its divisors is an integer number (86967).

2^1244485 is an apocalyptic number.

It is an amenable number.

1244485 is a deficient number, since it is larger than the sum of its proper divisors (494855).

1244485 is an frugal number, since it uses more digits than its factorization.

1244485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 33 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1244485 is about 1115.5648793324. The cubic root of 1244485 is about 107.5630781775.

The spelling of 1244485 in words is "one million, two hundred forty-four thousand, four hundred eighty-five".