1125177255 has 24 divisors (see below), whose sum is σ = 1963235040. Its totient is φ = 596116800.

The previous prime is 1125177241. The next prime is 1125177281. The reversal of 1125177255 is 5527715211.

1125177255 is a `hidden beast` number, since 112 + 517 + 7 + 25 + 5 = 666.

It is not a de Polignac number, because 1125177255 - 2⁴ = 1125177239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76000 + ... + 89589.

It is an arithmetic number, because the mean of its divisors is an integer number (81801460).

Almost surely, 2^1125177255 is an apocalyptic number.

1125177255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125177255 is a deficient number, since it is larger than the sum of its proper divisors (838057785).

1125177255 is a wasteful number, since it uses less digits than its factorization.

1125177255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165751 (or 165748 counting only the distinct ones).

The product of its digits is 24500, while the sum is 36.

The square root of 1125177255 is about 33543.6619199514. The cubic root of 1125177255 is about 1040.0965316586.

The spelling of 1125177255 in words is "one billion, one hundred twenty-five million, one hundred seventy-seven thousand, two hundred fifty-five".