1255776532 has 12 divisors (see below), whose sum is σ = 2234856960. Its totient is φ = 617245976.

The previous prime is 1255776527. The next prime is 1255776547. The reversal of 1255776532 is 2356775521.

It is a congruent number.

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, 2660308 + ... + 2660779.

It is an arithmetic number, because the mean of its divisors is an integer number (186238080).

Almost surely, 2^1255776532 is an apocalyptic number.

It is an amenable number.

1255776532 is a deficient number, since it is larger than the sum of its proper divisors (979080428).

1255776532 is a wasteful number, since it uses less digits than its factorization.

1255776532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321150 (or 5321148 counting only the distinct ones).

The product of its digits is 441000, while the sum is 43.

The square root of 1255776532 is about 35436.9373958868. The cubic root of 1255776532 is about 1078.8741502644.

The spelling of 1255776532 in words is "one billion, two hundred fifty-five million, seven hundred seventy-six thousand, five hundred thirty-two".