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4121261 is a prime number
BaseRepresentation
bin1111101110001010101101
321202101022022
433232022231
52023340021
6224155525
750013224
oct17561255
97671268
104121261
112365401
121468ba5
13b13b21
14793cbb
155661ab
hex3ee2ad

4121261 has 2 divisors, whose sum is σ = 4121262. Its totient is φ = 4121260.

The previous prime is 4121231. The next prime is 4121269. The reversal of 4121261 is 1621214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 361 = 2030^2 + 19^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4121261 is a prime.

It is a super-3 number, since 3×41212613 (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060630 + 2060631.

It is an arithmetic number, because the mean of its divisors is an integer number (2060631).

Almost surely, 24121261 is an apocalyptic number.

It is an amenable number.

4121261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121261 is an equidigital number, since it uses as much as digits as its factorization.

4121261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 4121261 is about 2030.0889143089. The cubic root of 4121261 is about 160.3282454038.

Adding to 4121261 its reverse (1621214), we get a palindrome (5742475).

The spelling of 4121261 in words is "four million, one hundred twenty-one thousand, two hundred sixty-one".