1201303 has 4 divisors (see below), whose sum is σ = 1212048. Its totient is φ = 1190560.

The previous prime is 1201283. The next prime is 1201307. The reversal of 1201303 is 3031021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3031021 = 7 ⋅433003.

It is a cyclic number.

It is not a de Polignac number, because 1201303 - 2¹⁷ = 1070231 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 1201303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (303012).

2^1201303 is an apocalyptic number.

1201303 is a deficient number, since it is larger than the sum of its proper divisors (10745).

1201303 is a wasteful number, since it uses less digits than its factorization.

1201303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744.

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

The square root of 1201303 is about 1096.0396890624. The cubic root of 1201303 is about 106.3043053420.

Adding to 1201303 its reverse (3031021), we get a palindrome (4232324).

The spelling of 1201303 in words is "one million, two hundred one thousand, three hundred three".