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4123201 is a prime number
BaseRepresentation
bin1111101110101001000001
321202110222011
433232221001
52023420301
6224212521
750021665
oct17565101
97673864
104123201
112366905
12146a141
13b14984
147948a5
15566a51
hex3eea41

4123201 has 2 divisors, whose sum is σ = 4123202. Its totient is φ = 4123200.

The previous prime is 4123199. The next prime is 4123211. The reversal of 4123201 is 1023214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 123201 = 2000^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 4123201 - 21 = 4123199 is a prime.

Together with 4123199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061600 + 2061601.

It is an arithmetic number, because the mean of its divisors is an integer number (2061601).

Almost surely, 24123201 is an apocalyptic number.

It is an amenable number.

4123201 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123201 is an equidigital number, since it uses as much as digits as its factorization.

4123201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4123201 is about 2030.5666696762. The cubic root of 4123201 is about 160.3533985470.

Adding to 4123201 its sum of digits (13), we get a palindrome (4123214).

Adding to 4123201 its reverse (1023214), we get a palindrome (5146415).

It can be divided in two parts, 4 and 123201, that multiplied together give a square (492804 = 7022).

The spelling of 4123201 in words is "four million, one hundred twenty-three thousand, two hundred one".