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12360121 is a prime number
BaseRepresentation
bin101111001001…
…100110111001
3212020221220021
4233021212321
511131010441
61120530441
7210026224
oct57114671
925227807
1012360121
116a82384
124180a21
132739ba7
1418da5bb
1511423d1
hexbc99b9

12360121 has 2 divisors, whose sum is σ = 12360122. Its totient is φ = 12360120.

The previous prime is 12360113. The next prime is 12360133. The reversal of 12360121 is 12106321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10169721 + 2190400 = 3189^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 12360121 - 23 = 12360113 is a prime.

It is a super-2 number, since 2×123601212 = 305545182269282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12360095 and 12360104.

It is not a weakly prime, because it can be changed into another prime (12360181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180060 + 6180061.

It is an arithmetic number, because the mean of its divisors is an integer number (6180061).

Almost surely, 212360121 is an apocalyptic number.

It is an amenable number.

12360121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12360121 is an equidigital number, since it uses as much as digits as its factorization.

12360121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12360121 is about 3515.6963748310. The cubic root of 12360121 is about 231.2105112996.

Adding to 12360121 its reverse (12106321), we get a palindrome (24466442).

The spelling of 12360121 in words is "twelve million, three hundred sixty thousand, one hundred twenty-one".