10122003 has 20 divisors (see below), whose sum is σ = 15918760. Its totient is φ = 6391872.

The previous prime is 10121999. The next prime is 10122011. The reversal of 10122003 is 30022101.

It is a happy number.

10122003 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10122003 - 2² = 10121999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1750 + ... + 4827.

It is an arithmetic number, because the mean of its divisors is an integer number (795938).

Almost surely, 2^10122003 is an apocalyptic number.

10122003 is a deficient number, since it is larger than the sum of its proper divisors (5796757).

10122003 is an equidigital number, since it uses as much as digits as its factorization.

10122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6599 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10122003 is about 3181.5095473690. The cubic root of 10122003 is about 216.3160881461.

Adding to 10122003 its reverse (30022101), we get a palindrome (40144104).

The spelling of 10122003 in words is "ten million, one hundred twenty-two thousand, three".