990973103 has 2 divisors, whose sum is σ = 990973104. Its totient is φ = 990973102.

The previous prime is 990973073. The next prime is 990973111. The reversal of 990973103 is 301379099.

990973103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 990973103 - 2⁸ = 990972847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990973133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495486551 + 495486552.

It is an arithmetic number, because the mean of its divisors is an integer number (495486552).

Almost surely, 2^990973103 is an apocalyptic number.

990973103 is a deficient number, since it is larger than the sum of its proper divisors (1).

990973103 is an equidigital number, since it uses as much as digits as its factorization.

990973103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 990973103 is about 31479.7252688139. The cubic root of 990973103 is about 996.9819347792.

The spelling of 990973103 in words is "nine hundred ninety million, nine hundred seventy-three thousand, one hundred three".