1466021 has 12 divisors (see below), whose sum is σ = 1609344. Its totient is φ = 1333800.

The previous prime is 1465993. The next prime is 1466039. The reversal of 1466021 is 1206641.

It is a happy number.

It is not a de Polignac number, because 1466021 - 2⁶ = 1465957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1465984 and 1466002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11126 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (134112).

2^1466021 is an apocalyptic number.

It is an amenable number.

1466021 is a deficient number, since it is larger than the sum of its proper divisors (143323).

1466021 is a wasteful number, since it uses less digits than its factorization.

1466021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1466021 is about 1210.7935414430. The cubic root of 1466021 is about 113.6004531573.

The spelling of 1466021 in words is "one million, four hundred sixty-six thousand, twenty-one".