1071185165 has 8 divisors (see below), whose sum is σ = 1303527168. Its totient is φ = 844878160.

The previous prime is 1071185153. The next prime is 1071185197. The reversal of 1071185165 is 5615811701.

It is a happy number.

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

It is not a de Polignac number, because 1071185165 - 2¹⁴ = 1071168781 is a prime.

It is a super-2 number, since 2×1071185165² = 2294875315432154450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508357 + ... + 1509066.

It is an arithmetic number, because the mean of its divisors is an integer number (162940896).

Almost surely, 2^1071185165 is an apocalyptic number.

It is an amenable number.

1071185165 is a deficient number, since it is larger than the sum of its proper divisors (232342003).

1071185165 is an equidigital number, since it uses as much as digits as its factorization.

1071185165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017499.

The product of its (nonzero) digits is 8400, while the sum is 35.

The square root of 1071185165 is about 32728.9652295944. The cubic root of 1071185165 is about 1023.1866140725.

Adding to 1071185165 its reverse (5615811701), we get a palindrome (6686996866).

The spelling of 1071185165 in words is "one billion, seventy-one million, one hundred eighty-five thousand, one hundred sixty-five".