1071025 has 6 divisors (see below), whose sum is σ = 1328102. Its totient is φ = 856800.

The previous prime is 1071023. The next prime is 1071047. The reversal of 1071025 is 5201701.

It can be written as a sum of positive squares in 3 ways, for example, as 222784 + 848241 = 472^2 + 921^2 .

It is not a de Polignac number, because 1071025 - 2¹ = 1071023 is a prime.

It is a super-2 number, since 2×1071025² = 2294189101250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071023) 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, 21396 + ... + 21445.

2^1071025 is an apocalyptic number.

It is an amenable number.

1071025 is a deficient number, since it is larger than the sum of its proper divisors (257077).

1071025 is an equidigital number, since it uses as much as digits as its factorization.

1071025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42851 (or 42846 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1071025 is about 1034.9033771324. The cubic root of 1071025 is about 102.3135615466.

Adding to 1071025 its reverse (5201701), we get a palindrome (6272726).

The spelling of 1071025 in words is "one million, seventy-one thousand, twenty-five".