1129171 has 8 divisors (see below), whose sum is σ = 1165104. Its totient is φ = 1093920.

The previous prime is 1129169. The next prime is 1129187. The reversal of 1129171 is 1719211.

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

It is a cyclic number.

It is not a de Polignac number, because 1129171 - 2¹ = 1129169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6441 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (145638).

2^1129171 is an apocalyptic number.

1129171 is a deficient number, since it is larger than the sum of its proper divisors (35933).

1129171 is a wasteful number, since it uses less digits than its factorization.

1129171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 126, while the sum is 22.

The square root of 1129171 is about 1062.6245809316. The cubic root of 1129171 is about 104.1325664025.

The spelling of 1129171 in words is "one million, one hundred twenty-nine thousand, one hundred seventy-one".