1255017872 has 40 divisors (see below), whose sum is σ = 2502985632. Its totient is φ = 609235200.

The previous prime is 1255017871. The next prime is 1255017893. The reversal of 1255017872 is 2787105521.

It is not an unprimeable number, because it can be changed into a prime (1255017871) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133883 + ... + 142949.

Almost surely, 2^1255017872 is an apocalyptic number.

It is an amenable number.

1255017872 is a deficient number, since it is larger than the sum of its proper divisors (1247967760).

1255017872 is a wasteful number, since it uses less digits than its factorization.

1255017872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 1255017872 is about 35426.2314112015. The cubic root of 1255017872 is about 1078.6568442057.

The spelling of 1255017872 in words is "one billion, two hundred fifty-five million, seventeen thousand, eight hundred seventy-two".