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122441 = 1111131
BaseRepresentation
bin11101111001001001
320012221212
4131321021
512404231
62342505
71016654
oct357111
9205855
10122441
1183aa0
125aa35
1343967
143289b
152642b
hex1de49

122441 has 4 divisors (see below), whose sum is σ = 133584. Its totient is φ = 111300.

The previous prime is 122401. The next prime is 122443. The reversal of 122441 is 144221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122443) 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, 5555 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (33396).

2122441 is an apocalyptic number.

122441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122441 is a deficient number, since it is larger than the sum of its proper divisors (11143).

122441 is a wasteful number, since it uses less digits than its factorization.

122441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142.

The product of its digits is 64, while the sum is 14.

The square root of 122441 is about 349.9157041346. The cubic root of 122441 is about 49.6564448032.

Adding to 122441 its reverse (144221), we get a palindrome (266662).

It can be divided in two parts, 12 and 2441, that multiplied together give a palindrome (29292).

The spelling of 122441 in words is "one hundred twenty-two thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 11 11131 122441