1255786284 has 24 divisors (see below), whose sum is σ = 2930780160. Its totient is φ = 418507984.

The previous prime is 1255786271. The next prime is 1255786297. The reversal of 1255786284 is 4826875521.

1255786284 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1255786271) and next prime (1255786297).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77557 + ... + 92339.

It is an arithmetic number, because the mean of its divisors is an integer number (122115840).

Almost surely, 2^1255786284 is an apocalyptic number.

It is an amenable number.

1255786284 is an abundant number, since it is smaller than the sum of its proper divisors (1674993876).

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

1255786284 is a wasteful number, since it uses less digits than its factorization.

1255786284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21869 (or 21867 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 1255786284 is about 35437.0749921604. The cubic root of 1255786284 is about 1078.8769429995.

The spelling of 1255786284 in words is "one billion, two hundred fifty-five million, seven hundred eighty-six thousand, two hundred eighty-four".