1255785046 has 16 divisors (see below), whose sum is σ = 1902253248. Its totient is φ = 621712000.

The previous prime is 1255785001. The next prime is 1255785077. The reversal of 1255785046 is 6405875521.

It is a junction number, because it is equal to n+sod(n) for n = 1255784993 and 1255785011.

It is a congruent number.

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, 291891 + ... + 296161.

It is an arithmetic number, because the mean of its divisors is an integer number (118890828).

Almost surely, 2^1255785046 is an apocalyptic number.

1255785046 is a deficient number, since it is larger than the sum of its proper divisors (646468202).

1255785046 is a wasteful number, since it uses less digits than its factorization.

1255785046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 1255785046 is about 35437.0575245745. The cubic root of 1255785046 is about 1078.8765884672.

The spelling of 1255785046 in words is "one billion, two hundred fifty-five million, seven hundred eighty-five thousand, forty-six".