1601171 has 8 divisors (see below), whose sum is σ = 1881264. Its totient is φ = 1343520.

The previous prime is 1601161. The next prime is 1601203. The reversal of 1601171 is 1711061.

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 1601171 - 2⁶ = 1601107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601161) 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, 5456 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (235158).

2^1601171 is an apocalyptic number.

1601171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1601171 is a deficient number, since it is larger than the sum of its proper divisors (280093).

1601171 is a wasteful number, since it uses less digits than its factorization.

1601171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221.

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

The square root of 1601171 is about 1265.3738577986. The cubic root of 1601171 is about 116.9892361101.

It can be divided in two parts, 160 and 1171, that added together give a palindrome (1331).

The spelling of 1601171 in words is "one million, six hundred one thousand, one hundred seventy-one".