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122065 = 524413
BaseRepresentation
bin11101110011010001
320012102221
4131303101
512401230
62341041
71015606
oct356321
9205387
10122065
1183789
125a781
1343738
14326ad
152627a
hex1dcd1

122065 has 4 divisors (see below), whose sum is σ = 146484. Its totient is φ = 97648.

The previous prime is 122053. The next prime is 122069. The reversal of 122065 is 560221.

It is a happy number.

122065 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33856 + 88209 = 184^2 + 297^2 .

It is a cyclic number.

It is not a de Polignac number, because 122065 - 25 = 122033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12202 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (36621).

2122065 is an apocalyptic number.

It is an amenable number.

122065 is a deficient number, since it is larger than the sum of its proper divisors (24419).

122065 is an equidigital number, since it uses as much as digits as its factorization.

122065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24418.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 122065 is about 349.3780187705. The cubic root of 122065 is about 49.6055632418.

Adding to 122065 its reverse (560221), we get a palindrome (682286).

The spelling of 122065 in words is "one hundred twenty-two thousand, sixty-five".

Divisors: 1 5 24413 122065