1255256200 has 96 divisors (see below), whose sum is σ = 3371168160. Its totient is φ = 429593600.

The previous prime is 1255256143. The next prime is 1255256207. The reversal of 1255256200 is 26525521.

It is not an unprimeable number, because it can be changed into a prime (1255256207) 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, 20619 + ... + 54181.

It is an arithmetic number, because the mean of its divisors is an integer number (35116335).

Almost surely, 2^1255256200 is an apocalyptic number.

1255256200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255256200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685584080).

1255256200 is an abundant number, since it is smaller than the sum of its proper divisors (2115911960).

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

1255256200 is a wasteful number, since it uses less digits than its factorization.

1255256200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33607 (or 33598 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1255256200 is about 35429.5949736940. The cubic root of 1255256200 is about 1078.7251188927.

The spelling of 1255256200 in words is "one billion, two hundred fifty-five million, two hundred fifty-six thousand, two hundred".