1090171 has 4 divisors (see below), whose sum is σ = 1092712. Its totient is φ = 1087632.

The previous prime is 1090169. The next prime is 1090181. The reversal of 1090171 is 1710901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1090171 - 2¹ = 1090169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (273178).

2^1090171 is an apocalyptic number.

1090171 is a deficient number, since it is larger than the sum of its proper divisors (2541).

1090171 is an equidigital number, since it uses as much as digits as its factorization.

1090171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 1090171 is about 1044.1125418268. The cubic root of 1090171 is about 102.9196281299.

The spelling of 1090171 in words is "one million, ninety thousand, one hundred seventy-one".