1255782955 has 16 divisors (see below), whose sum is σ = 1728930240. Its totient is φ = 857751552.

The previous prime is 1255782929. The next prime is 1255782959. The reversal of 1255782955 is 5592875521.

It is not a de Polignac number, because 1255782955 - 2¹⁵ = 1255750187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255782899 and 1255782908.

It is not an unprimeable number, because it can be changed into a prime (1255782959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60810 + ... + 78799.

It is an arithmetic number, because the mean of its divisors is an integer number (108058140).

Almost surely, 2^1255782955 is an apocalyptic number.

1255782955 is a deficient number, since it is larger than the sum of its proper divisors (473147285).

1255782955 is a wasteful number, since it uses less digits than its factorization.

1255782955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139878.

The product of its digits is 1260000, while the sum is 49.

The square root of 1255782955 is about 35437.0280215483. The cubic root of 1255782955 is about 1078.8759896566.

The spelling of 1255782955 in words is "one billion, two hundred fifty-five million, seven hundred eighty-two thousand, nine hundred fifty-five".