1125870916 has 27 divisors (see below), whose sum is σ = 2081788191. Its totient is φ = 532703304.

The previous prime is 1125870913. The next prime is 1125870929. The reversal of 1125870916 is 6190785211.

It is a happy number.

The square root of 1125870916 is 33554.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125870913) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1274611 + ... + 1275493.

Almost surely, 2^1125870916 is an apocalyptic number.

1125870916 is the 33554-th square number.

It is an amenable number.

1125870916 is a deficient number, since it is larger than the sum of its proper divisors (955917275).

1125870916 is an frugal number, since it uses more digits than its factorization.

1125870916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The cubic root of 1125870916 is about 1040.3102242678.

The spelling of 1125870916 in words is "one billion, one hundred twenty-five million, eight hundred seventy thousand, nine hundred sixteen".