1064621 has 4 divisors (see below), whose sum is σ = 1069500. Its totient is φ = 1059744.

The previous prime is 1064593. The next prime is 1064629. The reversal of 1064621 is 1264601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 44521 = 1010^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064621 - 2¹⁰ = 1063597 is a prime.

It is a super-2 number, since 2×1064621² = 2266835747282, 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 = 1064593 and 1064602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064629) 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, 2096 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (267375).

2^1064621 is an apocalyptic number.

It is an amenable number.

1064621 is a deficient number, since it is larger than the sum of its proper divisors (4879).

1064621 is an equidigital number, since it uses as much as digits as its factorization.

1064621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

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

The square root of 1064621 is about 1031.8047295879. The cubic root of 1064621 is about 102.1092319499.

Subtracting from 1064621 its sum of digits (20), we obtain a palindrome (1064601).

The spelling of 1064621 in words is "one million, sixty-four thousand, six hundred twenty-one".