10420903 has 2 divisors, whose sum is σ = 10420904. Its totient is φ = 10420902.

The previous prime is 10420901. The next prime is 10420933. The reversal of 10420903 is 30902401.

10420903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10420903 - 2¹ = 10420901 is a prime.

Together with 10420901, 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 (10420901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210451 + 5210452.

It is an arithmetic number, because the mean of its divisors is an integer number (5210452).

Almost surely, 2^10420903 is an apocalyptic number.

10420903 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420903 is an equidigital number, since it uses as much as digits as its factorization.

10420903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10420903 is about 3228.1423450647. The cubic root of 10420903 is about 218.4247183958.

The spelling of 10420903 in words is "ten million, four hundred twenty thousand, nine hundred three".