1255227272 has 32 divisors (see below), whose sum is σ = 2558304000. Its totient is φ = 573916224.

The previous prime is 1255227263. The next prime is 1255227289. The reversal of 1255227272 is 2727225521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45272 + ... + 67527.

It is an arithmetic number, because the mean of its divisors is an integer number (79947000).

Almost surely, 2^1255227272 is an apocalyptic number.

It is an amenable number.

1255227272 is an abundant number, since it is smaller than the sum of its proper divisors (1303076728).

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

1255227272 is a wasteful number, since it uses less digits than its factorization.

1255227272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112925 (or 112921 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 1255227272 is about 35429.1867250717. The cubic root of 1255227272 is about 1078.7168322444.

The spelling of 1255227272 in words is "one billion, two hundred fifty-five million, two hundred twenty-seven thousand, two hundred seventy-two".