1125522512 has 10 divisors (see below), whose sum is σ = 2180699898. Its totient is φ = 562761248.

The previous prime is 1125522511. The next prime is 1125522533. The reversal of 1125522512 is 2152255211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 950118976 + 175403536 = 30824^2 + 13244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125522511) 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, 35172563 + ... + 35172594.

Almost surely, 2^1125522512 is an apocalyptic number.

It is an amenable number.

1125522512 is a deficient number, since it is larger than the sum of its proper divisors (1055177386).

1125522512 is an equidigital number, since it uses as much as digits as its factorization.

1125522512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70345165 (or 70345159 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 1125522512 is about 33548.8079072864. The cubic root of 1125522512 is about 1040.2029041978.

Adding to 1125522512 its reverse (2152255211), we get a palindrome (3277777723).

The spelling of 1125522512 in words is "one billion, one hundred twenty-five million, five hundred twenty-two thousand, five hundred twelve".