1244129 has 4 divisors (see below), whose sum is σ = 1287060. Its totient is φ = 1201200.

The previous prime is 1244099. The next prime is 1244141. The reversal of 1244129 is 9214421.

1244129 = 117² + 118² + ... + 174².

1244129 is nontrivially palindromic in base 4.

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

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 425104 = 905^2 + 652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244149) 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, 21422 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (321765).

2^1244129 is an apocalyptic number.

It is an amenable number.

1244129 is a deficient number, since it is larger than the sum of its proper divisors (42931).

1244129 is an equidigital number, since it uses as much as digits as its factorization.

1244129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42930.

The product of its digits is 576, while the sum is 23.

The square root of 1244129 is about 1115.4053075004. The cubic root of 1244129 is about 107.5528206258.

It can be divided in two parts, 124412 and 9, that added together give a palindrome (124421).

The spelling of 1244129 in words is "one million, two hundred forty-four thousand, one hundred twenty-nine".