170011121 has 16 divisors (see below), whose sum is σ = 202587264. Its totient is φ = 139636224.

The previous prime is 170011117. The next prime is 170011159. The reversal of 170011121 is 121110071.

It is not a de Polignac number, because 170011121 - 2² = 170011117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170011096 and 170011105.

It is not an unprimeable number, because it can be changed into a prime (170011111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10625 + ... + 21281.

It is an arithmetic number, because the mean of its divisors is an integer number (12661704).

Almost surely, 2^170011121 is an apocalyptic number.

It is an amenable number.

170011121 is a deficient number, since it is larger than the sum of its proper divisors (32576143).

170011121 is a wasteful number, since it uses less digits than its factorization.

170011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 170011121 is about 13038.8312743129. The cubic root of 170011121 is about 553.9779051257.

Adding to 170011121 its reverse (121110071), we get a palindrome (291121192).

It can be divided in two parts, 1700 and 11121, that added together give a palindrome (12821).

The spelling of 170011121 in words is "one hundred seventy million, eleven thousand, one hundred twenty-one".