1244881 has 4 divisors (see below), whose sum is σ = 1358064. Its totient is φ = 1131700.

The previous prime is 1244879. The next prime is 1244909. The reversal of 1244881 is 1884421.

It is the 456-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1244881 - 2¹ = 1244879 is a prime.

It is a super-2 number, since 2×1244881² = 3099457408322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244821) 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 3 ways as a sum of consecutive naturals, for example, 56575 + ... + 56596.

It is an arithmetic number, because the mean of its divisors is an integer number (339516).

2^1244881 is an apocalyptic number.

1244881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244881 is a deficient number, since it is larger than the sum of its proper divisors (113183).

1244881 is a wasteful number, since it uses less digits than its factorization.

1244881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113182.

The product of its digits is 2048, while the sum is 28.

The square root of 1244881 is about 1115.7423537717. The cubic root of 1244881 is about 107.5744859652.

It can be divided in two parts, 124 and 4881, that added together give a palindrome (5005).

The spelling of 1244881 in words is "one million, two hundred forty-four thousand, eight hundred eighty-one".