1071285 has 8 divisors (see below), whose sum is σ = 1714080. Its totient is φ = 571344.

The previous prime is 1071283. The next prime is 1071311. The reversal of 1071285 is 5821701.

1071285 = 341² + 342² + ... + 349².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071285 - 2¹ = 1071283 is a prime.

It is a super-2 number, since 2×1071285² = 2295303102450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35695 + ... + 35724.

It is an arithmetic number, because the mean of its divisors is an integer number (214260).

2^1071285 is an apocalyptic number.

1071285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1071285 is a deficient number, since it is larger than the sum of its proper divisors (642795).

1071285 is an equidigital number, since it uses as much as digits as its factorization.

1071285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71427.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1071285 is about 1035.0289851014. The cubic root of 1071285 is about 102.3218400255.

Adding to 1071285 its reverse (5821701), we get a palindrome (6892986).

The spelling of 1071285 in words is "one million, seventy-one thousand, two hundred eighty-five".