1021064 has 32 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 451200.

The previous prime is 1021043. The next prime is 1021067. The reversal of 1021064 is 4601201.

It is not an unprimeable number, because it can be changed into a prime (1021067) 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, 3467 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (67095).

2^1021064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073520).

1021064 is an abundant number, since it is smaller than the sum of its proper divisors (1125976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021064 is a wasteful number, since it uses less digits than its factorization.

1021064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

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

The square root of 1021064 is about 1010.4771150303. The cubic root of 1021064 is about 100.6972603143.

Adding to 1021064 its reverse (4601201), we get a palindrome (5622265).

The spelling of 1021064 in words is "one million, twenty-one thousand, sixty-four".