Search a number
-
+
122239 = 139403
BaseRepresentation
bin11101110101111111
320012200101
4131311333
512402424
62341531
71016245
oct356577
9205611
10122239
1183927
125a8a7
1343840
1432795
1526344
hex1dd7f

122239 has 4 divisors (see below), whose sum is σ = 131656. Its totient is φ = 112824.

The previous prime is 122231. The next prime is 122251. The reversal of 122239 is 932221.

It is a happy number.

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 122239 - 23 = 122231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231) 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, 4689 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (32914).

2122239 is an apocalyptic number.

122239 is a deficient number, since it is larger than the sum of its proper divisors (9417).

122239 is an equidigital number, since it uses as much as digits as its factorization.

122239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416.

The product of its digits is 216, while the sum is 19.

The square root of 122239 is about 349.6269440418. The cubic root of 122239 is about 49.6291224657.

It can be divided in two parts, 122 and 239, that added together give a square (361 = 192).

The spelling of 122239 in words is "one hundred twenty-two thousand, two hundred thirty-nine".

Divisors: 1 13 9403 122239