4121903 has 2 divisors, whose sum is σ = 4121904. Its totient is φ = 4121902.

The previous prime is 4121893. The next prime is 4121927. The reversal of 4121903 is 3091214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4121903 - 2⁶ = 4121839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060951 + 2060952.

It is an arithmetic number, because the mean of its divisors is an integer number (2060952).

Almost surely, 2^4121903 is an apocalyptic number.

4121903 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121903 is an equidigital number, since it uses as much as digits as its factorization.

4121903 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 4121903 is about 2030.2470293046. The cubic root of 4121903 is about 160.3365701527.

The spelling of 4121903 in words is "four million, one hundred twenty-one thousand, nine hundred three".