1488021 has 4 divisors (see below), whose sum is σ = 1984032. Its totient is φ = 992012.

The previous prime is 1488017. The next prime is 1488043. The reversal of 1488021 is 1208841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1208841 = 3 ⋅402947.

It is a cyclic number.

It is not a de Polignac number, because 1488021 - 2² = 1488017 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1487982 and 1488000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488121) 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, 248001 + ... + 248006.

It is an arithmetic number, because the mean of its divisors is an integer number (496008).

2^1488021 is an apocalyptic number.

It is an amenable number.

1488021 is a deficient number, since it is larger than the sum of its proper divisors (496011).

1488021 is an equidigital number, since it uses as much as digits as its factorization.

1488021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496010.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1488021 is about 1219.8446622419. The cubic root of 1488021 is about 114.1658865333.

The spelling of 1488021 in words is "one million, four hundred eighty-eight thousand, twenty-one".