1064021 has 4 divisors (see below), whose sum is σ = 1216032. Its totient is φ = 912012.

The previous prime is 1064017. The next prime is 1064029. The reversal of 1064021 is 1204601.

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: 1204601 = 809 ⋅1489.

It is a cyclic number.

It is not a de Polignac number, because 1064021 - 2² = 1064017 is a prime.

It is a super-2 number, since 2×1064021² = 2264281376882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1063987 and 1064005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75995 + ... + 76008.

It is an arithmetic number, because the mean of its divisors is an integer number (304008).

2^1064021 is an apocalyptic number.

It is an amenable number.

1064021 is a deficient number, since it is larger than the sum of its proper divisors (152011).

1064021 is an equidigital number, since it uses as much as digits as its factorization.

1064021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152010.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1064021 is about 1031.5139359214. The cubic root of 1064021 is about 102.0900460762.

Adding to 1064021 its reverse (1204601), we get a palindrome (2268622).

The spelling of 1064021 in words is "one million, sixty-four thousand, twenty-one".