1255063156 has 12 divisors (see below), whose sum is σ = 2203858692. Its totient is φ = 625389248.

The previous prime is 1255063153. The next prime is 1255063157. The reversal of 1255063156 is 6513605521.

It can be written as a sum of positive squares in 2 ways, for example, as 553660900 + 701402256 = 23530^2 + 26484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255063153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534265 + ... + 536608.

It is an arithmetic number, because the mean of its divisors is an integer number (183654891).

Almost surely, 2^1255063156 is an apocalyptic number.

It is an amenable number.

1255063156 is a deficient number, since it is larger than the sum of its proper divisors (948795536).

1255063156 is a wasteful number, since it uses less digits than its factorization.

1255063156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071170 (or 1071168 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1255063156 is about 35426.8705363598. The cubic root of 1255063156 is about 1078.6698175426.

Adding to 1255063156 its reverse (6513605521), we get a palindrome (7768668677).

The spelling of 1255063156 in words is "one billion, two hundred fifty-five million, sixty-three thousand, one hundred fifty-six".