1069825 has 6 divisors (see below), whose sum is σ = 1326614. Its totient is φ = 855840.

The previous prime is 1069823. The next prime is 1069853. The reversal of 1069825 is 5289601.

It can be written as a sum of positive squares in 3 ways, for example, as 71824 + 998001 = 268^2 + 999^2 .

It is not a de Polignac number, because 1069825 - 2¹ = 1069823 is a prime.

It is a super-2 number, since 2×1069825² = 2289051061250, which contains 22 as substring.

It is a Duffinian number.

1069825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1069823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21372 + ... + 21421.

2^1069825 is an apocalyptic number.

It is an amenable number.

1069825 is a deficient number, since it is larger than the sum of its proper divisors (256789).

1069825 is an equidigital number, since it uses as much as digits as its factorization.

1069825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42803 (or 42798 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1069825 is about 1034.3234503771. The cubic root of 1069825 is about 102.2753358108.

The spelling of 1069825 in words is "one million, sixty-nine thousand, eight hundred twenty-five".