1071338085 has 24 divisors (see below), whose sum is σ = 1954723680. Its totient is φ = 541307232.

The previous prime is 1071338057. The next prime is 1071338089. The reversal of 1071338085 is 5808331701.

It is not a de Polignac number, because 1071338085 - 2⁵ = 1071338053 is a prime.

It is a super-2 number, since 2×1071338085² = 2295530584742934450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071338089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625659 + ... + 627368.

It is an arithmetic number, because the mean of its divisors is an integer number (81446820).

Almost surely, 2^1071338085 is an apocalyptic number.

1071338085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1071338085 is a deficient number, since it is larger than the sum of its proper divisors (883385595).

1071338085 is a wasteful number, since it uses less digits than its factorization.

1071338085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253057 (or 1253054 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1071338085 is about 32731.3013031868. The cubic root of 1071338085 is about 1023.2353010338.

Adding to 1071338085 its reverse (5808331701), we get a palindrome (6879669786).

The spelling of 1071338085 in words is "one billion, seventy-one million, three hundred thirty-eight thousand, eighty-five".