1125683912 has 16 divisors (see below), whose sum is σ = 2111566860. Its totient is φ = 562599424.

The previous prime is 1125683891. The next prime is 1125683939. The reversal of 1125683912 is 2193865211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 968080996 + 157602916 = 31114^2 + 12554^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 9773 + ... + 48444.

Almost surely, 2^1125683912 is an apocalyptic number.

It is an amenable number.

1125683912 is a deficient number, since it is larger than the sum of its proper divisors (985882948).

1125683912 is a wasteful number, since it uses less digits than its factorization.

1125683912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60640 (or 60636 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 1125683912 is about 33551.2132716538. The cubic root of 1125683912 is about 1040.2526235422.

The spelling of 1125683912 in words is "one billion, one hundred twenty-five million, six hundred eighty-three thousand, nine hundred twelve".