1202320103 has 4 divisors (see below), whose sum is σ = 1202390280. Its totient is φ = 1202249928.

The previous prime is 1202320099. The next prime is 1202320127. The reversal of 1202320103 is 3010232021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1202320103 - 2² = 1202320099 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 (1202320153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9488 + ... + 49946.

It is an arithmetic number, because the mean of its divisors is an integer number (300597570).

Almost surely, 2^1202320103 is an apocalyptic number.

1202320103 is a deficient number, since it is larger than the sum of its proper divisors (70177).

1202320103 is an equidigital number, since it uses as much as digits as its factorization.

1202320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70176.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1202320103 is about 34674.4877828065. The cubic root of 1202320103 is about 1063.3429831007.

Adding to 1202320103 its reverse (3010232021), we get a palindrome (4212552124).

The spelling of 1202320103 in words is "one billion, two hundred two million, three hundred twenty thousand, one hundred three".