2001203 has 8 divisors (see below), whose sum is σ = 2088480. Its totient is φ = 1915200.

The previous prime is 2001199. The next prime is 2001211. The reversal of 2001203 is 3021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001203 - 2² = 2001199 is a prime.

It is a super-3 number, since 3×2001203³ = 24043334054984977281, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021203) 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 7 ways as a sum of consecutive naturals, for example, 4151 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (261060).

2^2001203 is an apocalyptic number.

2001203 is a deficient number, since it is larger than the sum of its proper divisors (87277).

2001203 is a wasteful number, since it uses less digits than its factorization.

2001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2001203 is about 1414.6388231630. The cubic root of 2001203 is about 126.0173613433.

Adding to 2001203 its reverse (3021002), we get a palindrome (5022205).

The spelling of 2001203 in words is "two million, one thousand, two hundred three".