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4121867 is a prime number
BaseRepresentation
bin1111101110010100001011
321202102010202
433232110023
52023344432
6224202415
750015051
oct17562413
97672122
104121867
112365902
12146940b
13b14199
147941d1
15566462
hex3ee50b

4121867 has 2 divisors, whose sum is σ = 4121868. Its totient is φ = 4121866.

The previous prime is 4121861. The next prime is 4121869. The reversal of 4121867 is 7681214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4121867 is a prime.

Together with 4121869, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4121861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060933 + 2060934.

It is an arithmetic number, because the mean of its divisors is an integer number (2060934).

Almost surely, 24121867 is an apocalyptic number.

4121867 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121867 is an equidigital number, since it uses as much as digits as its factorization.

4121867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 4121867 is about 2030.2381633690. The cubic root of 4121867 is about 160.3361033672.

The spelling of 4121867 in words is "four million, one hundred twenty-one thousand, eight hundred sixty-seven".