1087161 has 8 divisors (see below), whose sum is σ = 1525920. Its totient is φ = 686592.

The previous prime is 1087159. The next prime is 1087231. The reversal of 1087161 is 1617801.

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

It is not a de Polignac number, because 1087161 - 2¹ = 1087159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087061) 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, 9480 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (190740).

2^1087161 is an apocalyptic number.

It is an amenable number.

1087161 is a deficient number, since it is larger than the sum of its proper divisors (438759).

1087161 is a wasteful number, since it uses less digits than its factorization.

1087161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 1087161 is about 1042.6701300028. The cubic root of 1087161 is about 102.8248192633.

The spelling of 1087161 in words is "one million, eighty-seven thousand, one hundred sixty-one".