1494021 has 8 divisors (see below), whose sum is σ = 1999584. Its totient is φ = 992240.

The previous prime is 1494019. The next prime is 1494029. The reversal of 1494021 is 1204941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494021 - 2¹ = 1494019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (249948).

2^1494021 is an apocalyptic number.

It is an amenable number.

1494021 is a deficient number, since it is larger than the sum of its proper divisors (505563).

1494021 is a wasteful number, since it uses less digits than its factorization.

1494021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1494021 is about 1222.3015176298. The cubic root of 1494021 is about 114.3191273582.

Adding to 1494021 its reverse (1204941), we get a palindrome (2698962).

The spelling of 1494021 in words is "one million, four hundred ninety-four thousand, twenty-one".