120100003 has 2 divisors, whose sum is σ = 120100004. Its totient is φ = 120100002.

The previous prime is 120099977. The next prime is 120100027. The reversal of 120100003 is 300001021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120100003 - 2⁵ = 120099971 is a prime.

It is not a weakly prime, because it can be changed into another prime (120100103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050001 + 60050002.

It is an arithmetic number, because the mean of its divisors is an integer number (60050002).

Almost surely, 2^120100003 is an apocalyptic number.

120100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100003 is an equidigital number, since it uses as much as digits as its factorization.

120100003 is an evil number, because the sum of its binary digits is even.

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

The square root of 120100003 is about 10959.0146911116. The cubic root of 120100003 is about 493.3793927149.

Adding to 120100003 its reverse (300001021), we get a palindrome (420101024).

The spelling of 120100003 in words is "one hundred twenty million, one hundred thousand, three".