1071161 has 16 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 831168.

The previous prime is 1071157. The next prime is 1071181. The reversal of 1071161 is 1611701.

It is not a de Polignac number, because 1071161 - 2² = 1071157 is a prime.

It is a super-2 number, since 2×1071161² = 2294771775842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7115 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1071161 is an apocalyptic number.

It is an amenable number.

1071161 is a deficient number, since it is larger than the sum of its proper divisors (272839).

1071161 is a wasteful number, since it uses less digits than its factorization.

1071161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1071161 is about 1034.9690816638. The cubic root of 1071161 is about 102.3178919950.

Adding to 1071161 its reverse (1611701), we get a palindrome (2682862).

The spelling of 1071161 in words is "one million, seventy-one thousand, one hundred sixty-one".