1125945896 has 8 divisors (see below), whose sum is σ = 2111148570. Its totient is φ = 562972944.

The previous prime is 1125945889. The next prime is 1125945901. The reversal of 1125945896 is 6985495211.

It can be written as a sum of positive squares in only one way, i.e., 1125602500 + 343396 = 33550^2 + 586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70371611 + ... + 70371626.

Almost surely, 2^1125945896 is an apocalyptic number.

It is an amenable number.

1125945896 is a deficient number, since it is larger than the sum of its proper divisors (985202674).

1125945896 is a wasteful number, since it uses less digits than its factorization.

1125945896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140743243 (or 140743239 counting only the distinct ones).

The product of its digits is 777600, while the sum is 50.

The square root of 1125945896 is about 33555.1172848494. The cubic root of 1125945896 is about 1040.3333177172. Note that the first 4 decimals are identical.

The spelling of 1125945896 in words is "one billion, one hundred twenty-five million, nine hundred forty-five thousand, eight hundred ninety-six".