1203263 has 2 divisors, whose sum is σ = 1203264. Its totient is φ = 1203262.

The previous prime is 1203233. The next prime is 1203283. The reversal of 1203263 is 3623021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203263 - 2¹⁰ = 1202239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601631 + 601632.

It is an arithmetic number, because the mean of its divisors is an integer number (601632).

2^1203263 is an apocalyptic number.

1203263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203263 is an equidigital number, since it uses as much as digits as its factorization.

1203263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1203263 is about 1096.9334528585. The cubic root of 1203263 is about 106.3620879401.

Adding to 1203263 its reverse (3623021), we get a palindrome (4826284).

The spelling of 1203263 in words is "one million, two hundred three thousand, two hundred sixty-three".