1125210512 has 10 divisors (see below), whose sum is σ = 2180095398. Its totient is φ = 562605248.

The previous prime is 1125210491. The next prime is 1125210517. The reversal of 1125210512 is 2150125211.

It can be written as a sum of positive squares in only one way, i.e., 856381696 + 268828816 = 29264^2 + 16396^2 .

It is not an unprimeable number, because it can be changed into a prime (1125210517) by changing a digit.

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, 35162813 + ... + 35162844.

Almost surely, 2^1125210512 is an apocalyptic number.

It is an amenable number.

1125210512 is a deficient number, since it is larger than the sum of its proper divisors (1054884886).

1125210512 is an equidigital number, since it uses as much as digits as its factorization.

1125210512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70325665 (or 70325659 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1125210512 is about 33544.1576433214. The cubic root of 1125210512 is about 1040.1067789772.

Adding to 1125210512 its reverse (2150125211), we get a palindrome (3275335723).

The spelling of 1125210512 in words is "one billion, one hundred twenty-five million, two hundred ten thousand, five hundred twelve".