1255481152 has 84 divisors (see below), whose sum is σ = 2610497700. Its totient is φ = 599009280.

The previous prime is 1255481099. The next prime is 1255481153. The reversal of 1255481152 is 2511845521.

It can be written as a sum of positive squares in 2 ways, for example, as 413552896 + 841928256 = 20336^2 + 29016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255481153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8425974 + ... + 8426122.

Almost surely, 2^1255481152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255481152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305248850).

1255481152 is an abundant number, since it is smaller than the sum of its proper divisors (1355016548).

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

1255481152 is a wasteful number, since it uses less digits than its factorization.

1255481152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 319 counting only the distinct ones).

The product of its digits is 16000, while the sum is 34.

The square root of 1255481152 is about 35432.7694655668. The cubic root of 1255481152 is about 1078.7895537809.

The spelling of 1255481152 in words is "one billion, two hundred fifty-five million, four hundred eighty-one thousand, one hundred fifty-two".