1255075992 has 32 divisors (see below), whose sum is σ = 3486322800. Its totient is φ = 418358592.

The previous prime is 1255075981. The next prime is 1255075993. The reversal of 1255075992 is 2995705521.

1255075992 is a `hidden beast` number, since 1 + 2 + 5 + 50 + 7 + 599 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255075993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905053 + ... + 2905484.

Almost surely, 2^1255075992 is an apocalyptic number.

1255075992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255075992 is an abundant number, since it is smaller than the sum of its proper divisors (2231246808).

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

1255075992 is a wasteful number, since it uses less digits than its factorization.

1255075992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810552 (or 5810542 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The square root of 1255075992 is about 35427.0516978198. The cubic root of 1255075992 is about 1078.6734948498.

The spelling of 1255075992 in words is "one billion, two hundred fifty-five million, seventy-five thousand, nine hundred ninety-two".