1125523836 has 60 divisors (see below), whose sum is σ = 2945561080. Its totient is φ = 374764320.

The previous prime is 1125523829. The next prime is 1125523849. The reversal of 1125523836 is 6383255211.

1125523836 is a `hidden beast` number, since 1 + 125 + 523 + 8 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1125523836.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 494910 + ... + 497178.

Almost surely, 2^1125523836 is an apocalyptic number.

It is an amenable number.

1125523836 is an abundant number, since it is smaller than the sum of its proper divisors (1820037244).

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

1125523836 is a wasteful number, since it uses less digits than its factorization.

1125523836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3805 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1125523836 is about 33548.8276397254. The cubic root of 1125523836 is about 1040.2033120759.

The spelling of 1125523836 in words is "one billion, one hundred twenty-five million, five hundred twenty-three thousand, eight hundred thirty-six".