1255261150 has 72 divisors (see below), whose sum is σ = 2749527144. Its totient is φ = 420340800.

The previous prime is 1255261121. The next prime is 1255261151. The reversal of 1255261150 is 511625521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255261151) 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 35 ways as a sum of consecutive naturals, for example, 2995641 + ... + 2996059.

It is an arithmetic number, because the mean of its divisors is an integer number (38187877).

Almost surely, 2^1255261150 is an apocalyptic number.

1255261150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255261150 is an abundant number, since it is smaller than the sum of its proper divisors (1494265994).

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

1255261150 is a wasteful number, since it uses less digits than its factorization.

1255261150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1255261150 is about 35429.6648304779. The cubic root of 1255261150 is about 1078.7265368456.

Adding to 1255261150 its reverse (511625521), we get a palindrome (1766886671).

The spelling of 1255261150 in words is "one billion, two hundred fifty-five million, two hundred sixty-one thousand, one hundred fifty".