1255262388 has 48 divisors (see below), whose sum is σ = 3159777600. Its totient is φ = 386374144.

The previous prime is 1255262297. The next prime is 1255262401. The reversal of 1255262388 is 8832625521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47238 + ... + 68861.

It is an arithmetic number, because the mean of its divisors is an integer number (65828700).

Almost surely, 2^1255262388 is an apocalyptic number.

It is an amenable number.

1255262388 is an abundant number, since it is smaller than the sum of its proper divisors (1904515212).

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

1255262388 is a wasteful number, since it uses less digits than its factorization.

1255262388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116176 (or 116174 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 1255262388 is about 35429.6823017085. The cubic root of 1255262388 is about 1078.7268914764.

The spelling of 1255262388 in words is "one billion, two hundred fifty-five million, two hundred sixty-two thousand, three hundred eighty-eight".