900103 has 2 divisors, whose sum is σ = 900104. Its totient is φ = 900102.

The previous prime is 900091. The next prime is 900121. The reversal of 900103 is 301009.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900103 is a prime.

900103 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450051 + 450052.

It is an arithmetic number, because the mean of its divisors is an integer number (450052).

2⁹⁰⁰¹⁰³ is an apocalyptic number.

900103 is a deficient number, since it is larger than the sum of its proper divisors (1).

900103 is an equidigital number, since it uses as much as digits as its factorization.

900103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 900103 is about 948.7375822639. The cubic root of 900103 is about 96.5526214833.

The spelling of 900103 in words is "nine hundred thousand, one hundred three".