1255144272 has 40 divisors (see below), whose sum is σ = 3433190976. Its totient is φ = 393770496.

The previous prime is 1255144217. The next prime is 1255144279. The reversal of 1255144272 is 2724415521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255144279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768268 + ... + 769899.

Almost surely, 2^1255144272 is an apocalyptic number.

1255144272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255144272 is an abundant number, since it is smaller than the sum of its proper divisors (2178046704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255144272 is a wasteful number, since it uses less digits than its factorization.

1255144272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538195 (or 1538189 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 1255144272 is about 35428.0153550830. The cubic root of 1255144272 is about 1078.6930555487.

Adding to 1255144272 its reverse (2724415521), we get a palindrome (3979559793).

The spelling of 1255144272 in words is "one billion, two hundred fifty-five million, one hundred forty-four thousand, two hundred seventy-two".