120200103 has 12 divisors (see below), whose sum is σ = 177317088. Its totient is φ = 78428160.

The previous prime is 120200071. The next prime is 120200123. The reversal of 120200103 is 301002021.

It is a happy number.

It is not a de Polignac number, because 120200103 - 2⁵ = 120200071 is a prime.

It is a super-2 number, since 2×120200103² = 28896129522421218, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141658 + ... + 142503.

It is an arithmetic number, because the mean of its divisors is an integer number (14776424).

Almost surely, 2^120200103 is an apocalyptic number.

120200103 is a deficient number, since it is larger than the sum of its proper divisors (57116985).

120200103 is a wasteful number, since it uses less digits than its factorization.

120200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284214 (or 284211 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120200103 is about 10963.5807563040. The cubic root of 120200103 is about 493.5164273009.

Adding to 120200103 its reverse (301002021), we get a palindrome (421202124).

The spelling of 120200103 in words is "one hundred twenty million, two hundred thousand, one hundred three".