1255071760 has 20 divisors (see below), whose sum is σ = 2918042028. Its totient is φ = 502028672.

The previous prime is 1255071749. The next prime is 1255071793. The reversal of 1255071760 is 671705521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 810199296 + 444872464 = 28464^2 + 21092^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844119 + ... + 7844278.

Almost surely, 2^1255071760 is an apocalyptic number.

1255071760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255071760 is an abundant number, since it is smaller than the sum of its proper divisors (1662970268).

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

1255071760 is a wasteful number, since it uses less digits than its factorization.

1255071760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688410 (or 15688404 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 1255071760 is about 35426.9919694010. The cubic root of 1255071760 is about 1078.6722824528.

The spelling of 1255071760 in words is "one billion, two hundred fifty-five million, seventy-one thousand, seven hundred sixty".