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4121321 is a prime number
BaseRepresentation
bin1111101110001011101001
321202101101112
433232023221
52023340241
6224200105
750013341
oct17561351
97671345
104121321
112365456
121469035
13b13b69
14793d21
155661eb
hex3ee2e9

4121321 has 2 divisors, whose sum is σ = 4121322. Its totient is φ = 4121320.

The previous prime is 4121311. The next prime is 4121387. The reversal of 4121321 is 1231214.

4121321 = 14352 + 14362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 2059225 = 1436^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121321 - 214 = 4104937 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4121296 and 4121305.

It is not a weakly prime, because it can be changed into another prime (4121311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060660 + 2060661.

It is an arithmetic number, because the mean of its divisors is an integer number (2060661).

Almost surely, 24121321 is an apocalyptic number.

4121321 is the 1436-th centered square number.

It is an amenable number.

4121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121321 is an equidigital number, since it uses as much as digits as its factorization.

4121321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 14.

The square root of 4121321 is about 2030.1036919330. The cubic root of 4121321 is about 160.3290234543.

Adding to 4121321 its reverse (1231214), we get a palindrome (5352535).

The spelling of 4121321 in words is "four million, one hundred twenty-one thousand, three hundred twenty-one".