1255225634 has 32 divisors (see below), whose sum is σ = 2151016560. Its totient is φ = 544223232.

The previous prime is 1255225613. The next prime is 1255225661. The reversal of 1255225634 is 4365225521.

It can be written as a sum of positive squares in 8 ways, for example, as 327718609 + 927507025 = 18103^2 + 30455^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1255225594 and 1255225603.

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 15 ways as a sum of consecutive naturals, for example, 259712 + ... + 264500.

Almost surely, 2^1255225634 is an apocalyptic number.

1255225634 is a deficient number, since it is larger than the sum of its proper divisors (895790926).

1255225634 is a wasteful number, since it uses less digits than its factorization.

1255225634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414.

The product of its digits is 72000, while the sum is 35.

The square root of 1255225634 is about 35429.1636085302. The cubic root of 1255225634 is about 1078.7163630229.

The spelling of 1255225634 in words is "one billion, two hundred fifty-five million, two hundred twenty-five thousand, six hundred thirty-four".