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BaseRepresentation
bin101111000111001
31020002101
411320321
51232441
6303401
7130216
oct57071
936071
1024121
1117139
1211b61
13ac96
148b0d
157231
hex5e39

24121 has 2 divisors, whose sum is σ = 24122. Its totient is φ = 24120.

The previous prime is 24113. The next prime is 24133. The reversal of 24121 is 12142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18496 + 5625 = 136^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 24121 - 23 = 24113 is a prime.

24121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 24098 and 24107.

It is not a weakly prime, because it can be changed into another prime (24151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12060 + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (12061).

224121 is an apocalyptic number.

It is an amenable number.

24121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24121 is an equidigital number, since it uses as much as digits as its factorization.

24121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16, while the sum is 10.

The square root of 24121 is about 155.3093686807. The cubic root of 24121 is about 28.8933857782.

Adding to 24121 its reverse (12142), we get a palindrome (36263).

It can be divided in two parts, 241 and 21, that added together give a palindrome (262).

The spelling of 24121 in words is "twenty-four thousand, one hundred twenty-one", and thus it is an iban number.