1489121 has 4 divisors (see below), whose sum is σ = 1540500. Its totient is φ = 1437744.

The previous prime is 1489109. The next prime is 1489129. The reversal of 1489121 is 1219841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1219841 = 7 ⋅174263.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 1079521 = 640^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489121 - 2⁶ = 1489057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25646 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (385125).

2^1489121 is an apocalyptic number.

It is an amenable number.

1489121 is a deficient number, since it is larger than the sum of its proper divisors (51379).

1489121 is an equidigital number, since it uses as much as digits as its factorization.

1489121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51378.

The product of its digits is 576, while the sum is 26.

The square root of 1489121 is about 1220.2954560269. The cubic root of 1489121 is about 114.1940114820.

The spelling of 1489121 in words is "one million, four hundred eighty-nine thousand, one hundred twenty-one".