1125803536 has 40 divisors (see below), whose sum is σ = 2562585984. Its totient is φ = 472364160.

The previous prime is 1125803527. The next prime is 1125803593. The reversal of 1125803536 is 6353085211.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 243736 + ... + 248311.

Almost surely, 2^1125803536 is an apocalyptic number.

1125803536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125803536 is an abundant number, since it is smaller than the sum of its proper divisors (1436782448).

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

1125803536 is a wasteful number, since it uses less digits than its factorization.

1125803536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492079 (or 492073 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1125803536 is about 33552.9959318091. The cubic root of 1125803536 is about 1040.2894707041.

Adding to 1125803536 its reverse (6353085211), we get a palindrome (7478888747).

The spelling of 1125803536 in words is "one billion, one hundred twenty-five million, eight hundred three thousand, five hundred thirty-six".