142117 has 8 divisors (see below), whose sum is σ = 153216. Its totient is φ = 131472.

The previous prime is 142111. The next prime is 142123. The reversal of 142117 is 711241.

It is an interprime number because it is at equal distance from previous prime (142111) and next prime (142123).

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 142117 - 2¹¹ = 140069 is a prime.

It is an Ulam number.

It is a Duffinian number.

142117 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 142117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹⁴²¹¹⁷ is an apocalyptic number.

It is an amenable number.

142117 is a deficient number, since it is larger than the sum of its proper divisors (11099).

142117 is a wasteful number, since it uses less digits than its factorization.

142117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 56, while the sum is 16.

The square root of 142117 is about 376.9840845447. The cubic root of 142117 is about 52.1853591936.

Adding to 142117 its reverse (711241), we get a palindrome (853358).

The spelling of 142117 in words is "one hundred forty-two thousand, one hundred seventeen", and thus it is an iban number.