1255130250 has 128 divisors (see below), whose sum is σ = 3441844224. Its totient is φ = 302120000.

The previous prime is 1255130207. The next prime is 1255130273. The reversal of 1255130250 is 520315521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255130250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1377295 + ... + 1378205.

It is an arithmetic number, because the mean of its divisors is an integer number (26889408).

Almost surely, 2^1255130250 is an apocalyptic number.

1255130250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255130250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720922112).

1255130250 is an abundant number, since it is smaller than the sum of its proper divisors (2186713974).

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

1255130250 is a wasteful number, since it uses less digits than its factorization.

1255130250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1255130250 is about 35427.8174602952. The cubic root of 1255130250 is about 1078.6890386160.

Adding to 1255130250 its reverse (520315521), we get a palindrome (1775445771).

The spelling of 1255130250 in words is "one billion, two hundred fifty-five million, one hundred thirty thousand, two hundred fifty".