4123901 has 2 divisors, whose sum is σ = 4123902. Its totient is φ = 4123900.

The previous prime is 4123897. The next prime is 4123907. The reversal of 4123901 is 1093214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 1876900 = 1499^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 4123901 - 2² = 4123897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061950 + 2061951.

It is an arithmetic number, because the mean of its divisors is an integer number (2061951).

Almost surely, 2^4123901 is an apocalyptic number.

It is an amenable number.

4123901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123901 is an equidigital number, since it uses as much as digits as its factorization.

4123901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4123901 is about 2030.7390280388. The cubic root of 4123901 is about 160.3624724863.

The spelling of 4123901 in words is "four million, one hundred twenty-three thousand, nine hundred one".