170242115 has 4 divisors (see below), whose sum is σ = 204290544. Its totient is φ = 136193688.

The previous prime is 170242099. The next prime is 170242123. The reversal of 170242115 is 511242071.

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 170242115 - 2⁴ = 170242099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17024207 + ... + 17024216.

It is an arithmetic number, because the mean of its divisors is an integer number (51072636).

Almost surely, 2^170242115 is an apocalyptic number.

170242115 is a deficient number, since it is larger than the sum of its proper divisors (34048429).

170242115 is an equidigital number, since it uses as much as digits as its factorization.

170242115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048428.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 170242115 is about 13047.6861933448. The cubic root of 170242115 is about 554.2286880540.

Adding to 170242115 its reverse (511242071), we get a palindrome (681484186).

The spelling of 170242115 in words is "one hundred seventy million, two hundred forty-two thousand, one hundred fifteen".