120103101 has 16 divisors (see below), whose sum is σ = 178269120. Its totient is φ = 79916400.

The previous prime is 120103069. The next prime is 120103111. The reversal of 120103101 is 101301021.

It is not a de Polignac number, because 120103101 - 2⁵ = 120103069 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11251 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (11141820).

Almost surely, 2^120103101 is an apocalyptic number.

It is an amenable number.

120103101 is a deficient number, since it is larger than the sum of its proper divisors (58166019).

120103101 is an equidigital number, since it uses as much as digits as its factorization.

120103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 120103101 is about 10959.1560350239. The cubic root of 120103101 is about 493.3836349468.

Adding to 120103101 its reverse (101301021), we get a palindrome (221404122).

The spelling of 120103101 in words is "one hundred twenty million, one hundred three thousand, one hundred one".