1203203 has 8 divisors (see below), whose sum is σ = 1276800. Its totient is φ = 1131840.

The previous prime is 1203193. The next prime is 1203211. The reversal of 1203203 is 3023021.

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 1203203 - 2¹⁶ = 1137667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^1203203 is an apocalyptic number.

1203203 is a deficient number, since it is larger than the sum of its proper divisors (73597).

1203203 is a wasteful number, since it uses less digits than its factorization.

1203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1203203 is about 1096.9061035476. The cubic root of 1203203 is about 106.3603200165.

Adding to 1203203 its reverse (3023021), we get a palindrome (4226224).

The spelling of 1203203 in words is "one million, two hundred three thousand, two hundred three".