1255663204 has 6 divisors (see below), whose sum is σ = 2197410614. Its totient is φ = 627831600.

The previous prime is 1255663183. The next prime is 1255663207. The reversal of 1255663204 is 4023665521.

It can be written as a sum of positive squares in only one way, i.e., 731161600 + 524501604 = 27040^2 + 22902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1255663204.

It is not an unprimeable number, because it can be changed into a prime (1255663207) 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 as a sum of consecutive naturals, namely, 156957897 + ... + 156957904.

Almost surely, 2^1255663204 is an apocalyptic number.

It is an amenable number.

1255663204 is a deficient number, since it is larger than the sum of its proper divisors (941747410).

1255663204 is a wasteful number, since it uses less digits than its factorization.

1255663204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313915805 (or 313915803 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1255663204 is about 35435.3383502966. The cubic root of 1255663204 is about 1078.8416948275.

The spelling of 1255663204 in words is "one billion, two hundred fifty-five million, six hundred sixty-three thousand, two hundred four".