Search a number
-
+
122171 = 731563
BaseRepresentation
bin11101110100111011
320012120212
4131310323
512402141
62341335
71016120
oct356473
9205525
10122171
1183875
125a84b
13437ba
1432747
15262eb
hex1dd3b

122171 has 8 divisors (see below), whose sum is σ = 144384. Its totient is φ = 101160.

The previous prime is 122167. The next prime is 122173. The reversal of 122171 is 171221.

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 122171 - 22 = 122167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122173) 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, 65 + ... + 498.

It is an arithmetic number, because the mean of its divisors is an integer number (18048).

2122171 is an apocalyptic number.

122171 is a deficient number, since it is larger than the sum of its proper divisors (22213).

122171 is an equidigital number, since it uses as much as digits as its factorization.

122171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 28, while the sum is 14.

The square root of 122171 is about 349.5296840041. The cubic root of 122171 is about 49.6199180756.

Adding to 122171 its reverse (171221), we get a palindrome (293392).

The spelling of 122171 in words is "one hundred twenty-two thousand, one hundred seventy-one", and thus it is an iban number.

Divisors: 1 7 31 217 563 3941 17453 122171