1244255 has 4 divisors (see below), whose sum is σ = 1493112. Its totient is φ = 995400.

The previous prime is 1244249. The next prime is 1244261. The reversal of 1244255 is 5524421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1244249) and next prime (1244261).

It is not a de Polignac number, because 1244255 - 2¹² = 1240159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244255.

It is a congruent 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, 124421 + ... + 124430.

It is an arithmetic number, because the mean of its divisors is an integer number (373278).

2^1244255 is an apocalyptic number.

1244255 is a deficient number, since it is larger than the sum of its proper divisors (248857).

1244255 is an equidigital number, since it uses as much as digits as its factorization.

1244255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248856.

The product of its digits is 1600, while the sum is 23.

The square root of 1244255 is about 1115.4617877812. The cubic root of 1244255 is about 107.5564513313.

Adding to 1244255 its reverse (5524421), we get a palindrome (6768676).

The spelling of 1244255 in words is "one million, two hundred forty-four thousand, two hundred fifty-five".