1125710212 has 24 divisors (see below), whose sum is σ = 2149963200. Its totient is φ = 511476960.

The previous prime is 1125710191. The next prime is 1125710213. The reversal of 1125710212 is 2120175211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1125710213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167289 + ... + 173887.

It is an arithmetic number, because the mean of its divisors is an integer number (89581800).

Almost surely, 2^1125710212 is an apocalyptic number.

It is an amenable number.

1125710212 is a deficient number, since it is larger than the sum of its proper divisors (1024252988).

1125710212 is a wasteful number, since it uses less digits than its factorization.

1125710212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491 (or 10489 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1125710212 is about 33551.6052075009. The cubic root of 1125710212 is about 1040.2607248190.

Adding to 1125710212 its reverse (2120175211), we get a palindrome (3245885423).

The spelling of 1125710212 in words is "one billion, one hundred twenty-five million, seven hundred ten thousand, two hundred twelve".