1255260244 has 36 divisors (see below), whose sum is σ = 2643478740. Its totient is φ = 519415680.

The previous prime is 1255260221. The next prime is 1255260247. The reversal of 1255260244 is 4420625521.

It can be written as a sum of positive squares in 2 ways, for example, as 297976644 + 957283600 = 17262^2 + 30940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255260247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104737 + ... + 116104.

It is an arithmetic number, because the mean of its divisors is an integer number (73429965).

Almost surely, 2^1255260244 is an apocalyptic number.

1255260244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1255260244 is an abundant number, since it is smaller than the sum of its proper divisors (1388218496).

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

1255260244 is a wasteful number, since it uses less digits than its factorization.

1255260244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220888 (or 220879 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1255260244 is about 35429.6520445798. The cubic root of 1255260244 is about 1078.7262773175.

Adding to 1255260244 its reverse (4420625521), we get a palindrome (5675885765).

The spelling of 1255260244 in words is "one billion, two hundred fifty-five million, two hundred sixty thousand, two hundred forty-four".