1255130156 has 12 divisors (see below), whose sum is σ = 2510260368. Its totient is φ = 537912912.

The previous prime is 1255130147. The next prime is 1255130167. The reversal of 1255130156 is 6510315521.

1255130156 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22413011 + ... + 22413066.

It is an arithmetic number, because the mean of its divisors is an integer number (209188364).

Almost surely, 2^1255130156 is an apocalyptic number.

It is an amenable number.

1255130156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1255130156 is a wasteful number, since it uses less digits than its factorization.

1255130156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44826088 (or 44826086 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1255130156 is about 35427.8161336541. The cubic root of 1255130156 is about 1078.6890116874.

Adding to 1255130156 its reverse (6510315521), we get a palindrome (7765445677).

The spelling of 1255130156 in words is "one billion, two hundred fifty-five million, one hundred thirty thousand, one hundred fifty-six".