1255271160 has 384 divisors, whose sum is σ = 4724386560. Its totient is φ = 263577600.

The previous prime is 1255271153. The next prime is 1255271201. The reversal of 1255271160 is 611725521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 3792195 + ... + 3792525.

It is an arithmetic number, because the mean of its divisors is an integer number (12303090).

Almost surely, 2^1255271160 is an apocalyptic number.

1255271160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255271160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362193280).

1255271160 is an abundant number, since it is smaller than the sum of its proper divisors (3469115400).

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

1255271160 is a wasteful number, since it uses less digits than its factorization.

1255271160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1255271160 is about 35429.8060959978. The cubic root of 1255271160 is about 1078.7294042499.

Adding to 1255271160 its reverse (611725521), we get a palindrome (1866996681).

The spelling of 1255271160 in words is "one billion, two hundred fifty-five million, two hundred seventy-one thousand, one hundred sixty".