1020469 has 4 divisors (see below), whose sum is σ = 1037260. Its totient is φ = 1003680.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020469 is 9640201.

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 289444 + 731025 = 538^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020469 - 2¹¹ = 1018421 is a prime.

It is a super-2 number, since 2×1020469² = 2082713959922, 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 (1020419) 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, 8304 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (259315).

2^1020469 is an apocalyptic number.

It is an amenable number.

1020469 is a deficient number, since it is larger than the sum of its proper divisors (16791).

1020469 is an equidigital number, since it uses as much as digits as its factorization.

1020469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16790.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1020469 is about 1010.1826567507. The cubic root of 1020469 is about 100.6776968943.

The spelling of 1020469 in words is "one million, twenty thousand, four hundred sixty-nine".