1125523536 has 40 divisors (see below), whose sum is σ = 2934291360. Its totient is φ = 371730816.

The previous prime is 1125523489. The next prime is 1125523543. The reversal of 1125523536 is 6353255211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1125523497 and 1125523506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102330 + ... + 112793.

It is an arithmetic number, because the mean of its divisors is an integer number (73357284).

Almost surely, 2^1125523536 is an apocalyptic number.

1125523536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125523536 is an abundant number, since it is smaller than the sum of its proper divisors (1808767824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125523536 is a wasteful number, since it uses less digits than its factorization.

1125523536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215243 (or 215237 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 1125523536 is about 33548.8231686299. The cubic root of 1125523536 is about 1040.2032196564.

Adding to 1125523536 its reverse (6353255211), we get a palindrome (7478778747).

The spelling of 1125523536 in words is "one billion, one hundred twenty-five million, five hundred twenty-three thousand, five hundred thirty-six".