1744121 has 4 divisors (see below), whose sum is σ = 1748352. Its totient is φ = 1739892.

The previous prime is 1744111. The next prime is 1744139. The reversal of 1744121 is 1214471.

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 a de Polignac number, because none of the positive numbers 2^k-1744121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1744093 and 1744102.

It is not an unprimeable number, because it can be changed into a prime (1744111) 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, 1421 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (437088).

2^1744121 is an apocalyptic number.

It is an amenable number.

1744121 is a deficient number, since it is larger than the sum of its proper divisors (4231).

1744121 is an equidigital number, since it uses as much as digits as its factorization.

1744121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230.

The product of its digits is 224, while the sum is 20.

The square root of 1744121 is about 1320.6517330470. The cubic root of 1744121 is about 120.3720168003.

Adding to 1744121 its reverse (1214471), we get a palindrome (2958592).

It can be divided in two parts, 17 and 44121, that multiplied together give a palindrome (750057).

The spelling of 1744121 in words is "one million, seven hundred forty-four thousand, one hundred twenty-one".