171097039 has 4 divisors (see below), whose sum is σ = 172861024. Its totient is φ = 169333056.

The previous prime is 171097037. The next prime is 171097051. The reversal of 171097039 is 930790171.

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 171097039 - 2¹ = 171097037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171096989 and 171097007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171097037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881847 + ... + 882040.

It is an arithmetic number, because the mean of its divisors is an integer number (43215256).

Almost surely, 2^171097039 is an apocalyptic number.

171097039 is a deficient number, since it is larger than the sum of its proper divisors (1763985).

171097039 is an equidigital number, since it uses as much as digits as its factorization.

171097039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763984.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 171097039 is about 13080.4066832801. The cubic root of 171097039 is about 555.1548835914.

The spelling of 171097039 in words is "one hundred seventy-one million, ninety-seven thousand, thirty-nine".