1125732600 has 96 divisors (see below), whose sum is σ = 3877542000. Its totient is φ = 300193920.

The previous prime is 1125732599. The next prime is 1125732607. The reversal of 1125732600 is 62375211.

It is a happy number.

1125732600 is a `hidden beast` number, since 1 + 1 + 2 + 57 + 3 + 2 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125732607) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 98835 + ... + 109634.

Almost surely, 2^1125732600 is an apocalyptic number.

1125732600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125732600 is an abundant number, since it is smaller than the sum of its proper divisors (2751809400).

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

1125732600 is a wasteful number, since it uses less digits than its factorization.

1125732600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208494 (or 208479 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1125732600 is about 33551.9388411460. The cubic root of 1125732600 is about 1040.2676209700.

The spelling of 1125732600 in words is "one billion, one hundred twenty-five million, seven hundred thirty-two thousand, six hundred".