101200103 has 4 divisors (see below), whose sum is σ = 101420088. Its totient is φ = 100980120.

The previous prime is 101200091. The next prime is 101200109. The reversal of 101200103 is 301002101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101200103 - 2⁴ = 101200087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109301 + ... + 110222.

It is an arithmetic number, because the mean of its divisors is an integer number (25355022).

Almost surely, 2^101200103 is an apocalyptic number.

101200103 is a deficient number, since it is larger than the sum of its proper divisors (219985).

101200103 is an equidigital number, since it uses as much as digits as its factorization.

101200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219984.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101200103 is about 10059.8261913415. The cubic root of 101200103 is about 466.0082995691.

Adding to 101200103 its reverse (301002101), we get a palindrome (402202204).

The spelling of 101200103 in words is "one hundred one million, two hundred thousand, one hundred three".