10120003 has 4 divisors (see below), whose sum is σ = 10138120. Its totient is φ = 10101888.

The previous prime is 10119983. The next prime is 10120021. The reversal of 10120003 is 30002101.

10120003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30002101 = 3709 ⋅8089.

It is a cyclic number.

It is not a de Polignac number, because 10120003 - 2¹³ = 10111811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (2534530).

Almost surely, 2^10120003 is an apocalyptic number.

10120003 is a deficient number, since it is larger than the sum of its proper divisors (18117).

10120003 is an equidigital number, since it uses as much as digits as its factorization.

10120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18116.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 10120003 is about 3181.1952156383. The cubic root of 10120003 is about 216.3018399558.

Adding to 10120003 its reverse (30002101), we get a palindrome (40122104).

The spelling of 10120003 in words is "ten million, one hundred twenty thousand, three".