1125771518 has 16 divisors (see below), whose sum is σ = 1790683200. Its totient is φ = 528976896.

The previous prime is 1125771497. The next prime is 1125771529. The reversal of 1125771518 is 8151775211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718 + ... + 47481.

It is an arithmetic number, because the mean of its divisors is an integer number (111917700).

Almost surely, 2^1125771518 is an apocalyptic number.

1125771518 is a deficient number, since it is larger than the sum of its proper divisors (664911682).

1125771518 is a wasteful number, since it uses less digits than its factorization.

1125771518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49891.

The product of its digits is 19600, while the sum is 38.

The square root of 1125771518 is about 33552.5188026175. The cubic root of 1125771518 is about 1040.2796086210.

The spelling of 1125771518 in words is "one billion, one hundred twenty-five million, seven hundred seventy-one thousand, five hundred eighteen".