1301203 has 4 divisors (see below), whose sum is σ = 1325808. Its totient is φ = 1276600.

The previous prime is 1301173. The next prime is 1301219. The reversal of 1301203 is 3021031.

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 1301203 - 2⁵ = 1301171 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 1301203.

It is not an unprimeable number, because it can be changed into a prime (1301233) 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 3 ways as a sum of consecutive naturals, for example, 12223 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (331452).

2^1301203 is an apocalyptic number.

1301203 is a deficient number, since it is larger than the sum of its proper divisors (24605).

1301203 is an equidigital number, since it uses as much as digits as its factorization.

1301203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24604.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1301203 is about 1140.7028535074. The cubic root of 1301203 is about 109.1729431998.

Adding to 1301203 its reverse (3021031), we get a palindrome (4322234).

The spelling of 1301203 in words is "one million, three hundred one thousand, two hundred three".