1203255 has 20 divisors (see below), whose sum is σ = 2157672. Its totient is φ = 641520.

The previous prime is 1203233. The next prime is 1203263. The reversal of 1203255 is 5523021.

It is a happy number.

It is not a de Polignac number, because 1203255 - 2⁷ = 1203127 is a prime.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1081 + ... + 1890.

2^1203255 is an apocalyptic number.

1203255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1203255 is a deficient number, since it is larger than the sum of its proper divisors (954417).

1203255 is an equidigital number, since it uses as much as digits as its factorization.

1203255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1203255 is about 1096.9298063231. The cubic root of 1203255 is about 106.3618522204.

Adding to 1203255 its reverse (5523021), we get a palindrome (6726276).

It can be divided in two parts, 120 and 3255, that added together give a cube (3375 = 15³).

The spelling of 1203255 in words is "one million, two hundred three thousand, two hundred fifty-five".