1255903200 has 108 divisors (see below), whose sum is σ = 4428654048. Its totient is φ = 334905600.

The previous prime is 1255903189. The next prime is 1255903241. The reversal of 1255903200 is 23095521.

1255903200 is a `hidden beast` number, since 1 + 255 + 90 + 320 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80016 + ... + 94415.

It is an arithmetic number, because the mean of its divisors is an integer number (41006056).

Almost surely, 2^1255903200 is an apocalyptic number.

1255903200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255903200 is an abundant number, since it is smaller than the sum of its proper divisors (3172750848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255903200 is a wasteful number, since it uses less digits than its factorization.

1255903200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174457 (or 174441 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1255903200 is about 35438.7245820162. The cubic root of 1255903200 is about 1078.9104237660.

Adding to 1255903200 its reverse (23095521), we get a palindrome (1278998721).

The spelling of 1255903200 in words is "one billion, two hundred fifty-five million, nine hundred three thousand, two hundred".