120102103 has 4 divisors (see below), whose sum is σ = 131020488. Its totient is φ = 109183720.

The previous prime is 120102077. The next prime is 120102121. The reversal of 120102103 is 301201021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301201021 = 11 ⋅27381911.

It is a cyclic number.

It is not a de Polignac number, because 120102103 - 2¹⁷ = 119971031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102133) 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, 5459176 + ... + 5459197.

It is an arithmetic number, because the mean of its divisors is an integer number (32755122).

Almost surely, 2^120102103 is an apocalyptic number.

120102103 is a deficient number, since it is larger than the sum of its proper divisors (10918385).

120102103 is a wasteful number, since it uses less digits than its factorization.

120102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918384.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120102103 is about 10959.1105022260. The cubic root of 120102103 is about 493.3822683481.

Adding to 120102103 its reverse (301201021), we get a palindrome (421303124).

The spelling of 120102103 in words is "one hundred twenty million, one hundred two thousand, one hundred three".