1125663176 has 16 divisors (see below), whose sum is σ = 2302493040. Its totient is φ = 511665040.

The previous prime is 1125663169. The next prime is 1125663221. The reversal of 1125663176 is 6713665211.

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, 6395726 + ... + 6395901.

It is an arithmetic number, because the mean of its divisors is an integer number (143905815).

Almost surely, 2^1125663176 is an apocalyptic number.

It is an amenable number.

1125663176 is an abundant number, since it is smaller than the sum of its proper divisors (1176829864).

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

1125663176 is a wasteful number, since it uses less digits than its factorization.

1125663176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791644 (or 12791640 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 1125663176 is about 33550.9042501093. The cubic root of 1125663176 is about 1040.2462360739.

The spelling of 1125663176 in words is "one billion, one hundred twenty-five million, six hundred sixty-three thousand, one hundred seventy-six".