1255003203 has 24 divisors (see below), whose sum is σ = 1741711440. Its totient is φ = 803597760.

The previous prime is 1255003201. The next prime is 1255003213. The reversal of 1255003203 is 3023005521.

It is not a de Polignac number, because 1255003203 - 2¹ = 1255003201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255003203.

It is not an unprimeable number, because it can be changed into a prime (1255003201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336513 + ... + 340221.

It is an arithmetic number, because the mean of its divisors is an integer number (72571310).

Almost surely, 2^1255003203 is an apocalyptic number.

1255003203 is a deficient number, since it is larger than the sum of its proper divisors (486708237).

1255003203 is an equidigital number, since it uses as much as digits as its factorization.

1255003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859 (or 3816 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1255003203 is about 35426.0243747446. The cubic root of 1255003203 is about 1078.6526416416.

Adding to 1255003203 its reverse (3023005521), we get a palindrome (4278008724).

The spelling of 1255003203 in words is "one billion, two hundred fifty-five million, three thousand, two hundred three".