4172101 has 2 divisors, whose sum is σ = 4172102. Its totient is φ = 4172100.

The previous prime is 4172099. The next prime is 4172111. The reversal of 4172101 is 1012714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 168100 = 2001^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172101 - 2¹ = 4172099 is a prime.

Together with 4172099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4172111) 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, 2086050 + 2086051.

It is an arithmetic number, because the mean of its divisors is an integer number (2086051).

Almost surely, 2^4172101 is an apocalyptic number.

It is an amenable number.

4172101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172101 is an equidigital number, since it uses as much as digits as its factorization.

4172101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 4172101 is about 2042.5721529483. The cubic root of 4172101 is about 160.9848242579.

Adding to 4172101 its reverse (1012714), we get a palindrome (5184815).

The spelling of 4172101 in words is "four million, one hundred seventy-two thousand, one hundred one".