1064921 has 12 divisors (see below), whose sum is σ = 1262436. Its totient is φ = 892320.

The previous prime is 1064911. The next prime is 1064927. The reversal of 1064921 is 1294601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 366025 = 836^2 + 605^2 .

It is not a de Polignac number, because 1064921 - 2¹⁰ = 1063897 is a prime.

It is a super-2 number, since 2×1064921² = 2268113472482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064927) 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, 1235 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (105203).

2^1064921 is an apocalyptic number.

1064921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1064921 is a deficient number, since it is larger than the sum of its proper divisors (197515).

1064921 is a wasteful number, since it uses less digits than its factorization.

1064921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1064921 is about 1031.9500956926. The cubic root of 1064921 is about 102.1188221837.

The spelling of 1064921 in words is "one million, sixty-four thousand, nine hundred twenty-one".