1256232108 has 12 divisors (see below), whose sum is σ = 2931208280. Its totient is φ = 418744032.

The previous prime is 1256232097. The next prime is 1256232151. The reversal of 1256232108 is 8012326521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52342993 + ... + 52343016.

Almost surely, 2^1256232108 is an apocalyptic number.

It is an amenable number.

1256232108 is an abundant number, since it is smaller than the sum of its proper divisors (1674976172).

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

1256232108 is a wasteful number, since it uses less digits than its factorization.

1256232108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104686016 (or 104686014 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1256232108 is about 35443.3647951207. The cubic root of 1256232108 is about 1079.0046006888.

Adding to 1256232108 its reverse (8012326521), we get a palindrome (9268558629).

The spelling of 1256232108 in words is "one billion, two hundred fifty-six million, two hundred thirty-two thousand, one hundred eight".