1244442 has 16 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 412992.

The previous prime is 1244437. The next prime is 1244447. The reversal of 1244442 is 2444421.

It is an interprime number because it is at equal distance from previous prime (1244437) and next prime (1244447).

It is not an unprimeable number, because it can be changed into a prime (1244447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^1244442 is an apocalyptic number.

1244442 is an abundant number, since it is smaller than the sum of its proper divisors (1255398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244442 is a wasteful number, since it uses less digits than its factorization.

1244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its digits is 1024, while the sum is 21.

The square root of 1244442 is about 1115.5456064187. The cubic root of 1244442 is about 107.5618393075.

Subtracting from 1244442 its sum of digits (21), we obtain a palindrome (1244421).

Adding to 1244442 its reverse (2444421), we get a palindrome (3688863).

The spelling of 1244442 in words is "one million, two hundred forty-four thousand, four hundred forty-two".