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6121 is a prime number
BaseRepresentation
bin1011111101001
322101201
41133221
5143441
644201
723563
oct13751
98351
106121
114665
123661
132a2b
142333
151c31
hex17e9

6121 has 2 divisors, whose sum is σ = 6122. Its totient is φ = 6120.

The previous prime is 6113. The next prime is 6131. The reversal of 6121 is 1216.

Adding to 6121 its reverse (1216), we get a palindrome (7337).

It is an a-pointer prime, because the next prime (6131) can be obtained adding 6121 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4096 + 2025 = 64^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121 - 23 = 6113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6098 and 6107.

It is not a weakly prime, because it can be changed into another prime (6101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060 + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (3061).

26121 is an apocalyptic number.

It is an amenable number.

6121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121 is an equidigital number, since it uses as much as digits as its factorization.

6121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12, while the sum is 10.

The square root of 6121 is about 78.2368199763. The cubic root of 6121 is about 18.2925447650.

The spelling of 6121 in words is "six thousand, one hundred twenty-one".