1136161 has 16 divisors (see below), whose sum is σ = 1333584. Its totient is φ = 958464.

The previous prime is 1136153. The next prime is 1136183. The reversal of 1136161 is 1616311.

It can be written as a sum of positive squares in 8 ways, for example, as 1936 + 1134225 = 44^2 + 1065^2 .

It is not a de Polignac number, because 1136161 - 2³ = 1136153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136111) 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, 11665 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (83349).

2^1136161 is an apocalyptic number.

It is an amenable number.

1136161 is a deficient number, since it is larger than the sum of its proper divisors (197423).

1136161 is a wasteful number, since it uses less digits than its factorization.

1136161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180.

The product of its digits is 108, while the sum is 19.

The square root of 1136161 is about 1065.9085326612. The cubic root of 1136161 is about 104.3469979982.

The spelling of 1136161 in words is "one million, one hundred thirty-six thousand, one hundred sixty-one".