1255885300 has 36 divisors (see below), whose sum is σ = 2729466796. Its totient is φ = 501580800.

The previous prime is 1255885291. The next prime is 1255885303. The reversal of 1255885300 is 35885521.

It can be written as a sum of positive squares in 6 ways, for example, as 259725456 + 996159844 = 16116^2 + 31562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1255885300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255885303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 57970 + ... + 76630.

Almost surely, 2^1255885300 is an apocalyptic number.

1255885300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255885300 is an abundant number, since it is smaller than the sum of its proper divisors (1473581496).

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

1255885300 is a wasteful number, since it uses less digits than its factorization.

1255885300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348 (or 19341 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 1255885300 is about 35438.4720325242. The cubic root of 1255885300 is about 1078.9052979494.

The spelling of 1255885300 in words is "one billion, two hundred fifty-five million, eight hundred eighty-five thousand, three hundred".