1002069 has 6 divisors (see below), whose sum is σ = 1447446. Its totient is φ = 668040.

The previous prime is 1002061. The next prime is 1002073. The reversal of 1002069 is 9602001.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 439569 = 750^2 + 663^2 .

It is not a de Polignac number, because 1002069 - 2³ = 1002061 is a prime.

It is a super-2 number, since 2×1002069² = 2008284561522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002061) 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 5 ways as a sum of consecutive naturals, for example, 55662 + ... + 55679.

It is an arithmetic number, because the mean of its divisors is an integer number (241241).

2^1002069 is an apocalyptic number.

It is an amenable number.

1002069 is a deficient number, since it is larger than the sum of its proper divisors (445377).

1002069 is a wasteful number, since it uses less digits than its factorization.

1002069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111347 (or 111344 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1002069 is about 1001.0339654577. The cubic root of 1002069 is about 100.0689191573.

The spelling of 1002069 in words is "one million, two thousand, sixty-nine".