1244138 has 8 divisors (see below), whose sum is σ = 2132832. Its totient is φ = 533196.

The previous prime is 1244099. The next prime is 1244141. The reversal of 1244138 is 8314421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 44420 + ... + 44447.

It is an arithmetic number, because the mean of its divisors is an integer number (266604).

2^1244138 is an apocalyptic number.

1244138 is a deficient number, since it is larger than the sum of its proper divisors (888694).

1244138 is an equidigital number, since it uses as much as digits as its factorization.

1244138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88876.

The product of its digits is 768, while the sum is 23.

The square root of 1244138 is about 1115.4093419010. The cubic root of 1244138 is about 107.5530799701.

Adding to 1244138 its reverse (8314421), we get a palindrome (9558559).

It can be divided in two parts, 124413 and 8, that added together give a palindrome (124421).

The spelling of 1244138 in words is "one million, two hundred forty-four thousand, one hundred thirty-eight".