120010003 has 4 divisors (see below), whose sum is σ = 121358520. Its totient is φ = 118661488.

The previous prime is 120009991. The next prime is 120010019. The reversal of 120010003 is 300010021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300010021 = 15641 ⋅19181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120010003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120010043) 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, 674125 + ... + 674302.

It is an arithmetic number, because the mean of its divisors is an integer number (30339630).

Almost surely, 2^120010003 is an apocalyptic number.

120010003 is a deficient number, since it is larger than the sum of its proper divisors (1348517).

120010003 is an equidigital number, since it uses as much as digits as its factorization.

120010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348516.

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

The square root of 120010003 is about 10954.9077129842. The cubic root of 120010003 is about 493.2561197738.

Adding to 120010003 its reverse (300010021), we get a palindrome (420020024).

The spelling of 120010003 in words is "one hundred twenty million, ten thousand, three".